diff --git a/prompb/custom.go b/prompb/custom.go
index 613338b3eb..05a9d3e614 100644
--- a/prompb/custom.go
+++ b/prompb/custom.go
@@ -40,7 +40,7 @@ func (r *ChunkedReadResponse) PooledMarshal(p *sync.Pool) ([]byte, error) {
 	return r.Marshal()
 }
 
-func (m *MinimizedWriteRequest) OptimizedMarshal(dst []byte) ([]byte, error) {
+func (m *WriteRequest) OptimizedMarshal(dst []byte) ([]byte, error) {
 	siz := m.Size()
 	if cap(dst) < siz {
 		dst = make([]byte, siz)
@@ -55,8 +55,8 @@ func (m *MinimizedWriteRequest) OptimizedMarshal(dst []byte) ([]byte, error) {
 }
 
 // OptimizedMarshalToSizedBuffer is mostly a copy of the generated MarshalToSizedBuffer,
-// but calls OptimizedMarshalToSizedBuffer on the timeseries.
-func (m *MinimizedWriteRequest) OptimizedMarshalToSizedBuffer(dAtA []byte) (int, error) {
+// but calls OptimizedMarshalToSizedBuffer on the InternedTimeseries.
+func (m *WriteRequest) OptimizedMarshalToSizedBuffer(dAtA []byte) (int, error) {
 	i := len(dAtA)
 	_ = i
 	var l int
@@ -65,12 +65,21 @@ func (m *MinimizedWriteRequest) OptimizedMarshalToSizedBuffer(dAtA []byte) (int,
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if len(m.Symbols2) > 0 {
+		for iNdEx := len(m.Symbols2) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.Symbols2[iNdEx])
+			copy(dAtA[i:], m.Symbols2[iNdEx])
+			i = encodeVarintRemote(dAtA, i, uint64(len(m.Symbols2[iNdEx])))
+			i--
+			dAtA[i] = 0x2a
+		}
+	}
 	if len(m.Symbols) > 0 {
 		i -= len(m.Symbols)
 		copy(dAtA[i:], m.Symbols)
 		i = encodeVarintRemote(dAtA, i, uint64(len(m.Symbols)))
 		i--
-		dAtA[i] = 0x22
+		dAtA[i] = 0x22 // Depends on the field position.
 	}
 	if len(m.Timeseries) > 0 {
 		for iNdEx := len(m.Timeseries) - 1; iNdEx >= 0; iNdEx-- {
@@ -91,7 +100,7 @@ func (m *MinimizedWriteRequest) OptimizedMarshalToSizedBuffer(dAtA []byte) (int,
 
 // OptimizedMarshalToSizedBuffer is mostly a copy of the generated MarshalToSizedBuffer,
 // but marshals m.LabelSymbols in place without extra allocations.
-func (m *MinimizedTimeSeries) OptimizedMarshalToSizedBuffer(dAtA []byte) (int, error) {
+func (m *TimeSeries) OptimizedMarshalToSizedBuffer(dAtA []byte) (int, error) {
 	i := len(dAtA)
 	_ = i
 	var l int
@@ -100,6 +109,31 @@ func (m *MinimizedTimeSeries) OptimizedMarshalToSizedBuffer(dAtA []byte) (int, e
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+
+	if len(m.LabelSymbols) > 0 {
+		// This is the trick: encode the varints in reverse order to make it easier
+		// to do it in place. Then reverse the whole thing.
+		var j10 int
+		start := i
+		for _, num := range m.LabelSymbols {
+			for num >= 1<<7 {
+				dAtA[i-1] = uint8(uint64(num)&0x7f | 0x80)
+				num >>= 7
+				i--
+				j10++
+			}
+			dAtA[i-1] = uint8(num)
+			i--
+			j10++
+		}
+		slices.Reverse(dAtA[i:start])
+		// --- end of trick
+
+		i = encodeVarintTypes(dAtA, i, uint64(j10))
+		i--
+		dAtA[i] = 0x52
+	}
+
 	if len(m.Histograms) > 0 {
 		for iNdEx := len(m.Histograms) - 1; iNdEx >= 0; iNdEx-- {
 			{
@@ -142,28 +176,7 @@ func (m *MinimizedTimeSeries) OptimizedMarshalToSizedBuffer(dAtA []byte) (int, e
 			dAtA[i] = 0x12
 		}
 	}
-	if len(m.LabelSymbols) > 0 {
-		// This is the trick: encode the varints in reverse order to make it easier
-		// to do it in place. Then reverse the whole thing.
-		var j10 int
-		start := i
-		for _, num := range m.LabelSymbols {
-			for num >= 1<<7 {
-				dAtA[i-1] = uint8(uint64(num)&0x7f | 0x80)
-				num >>= 7
-				i--
-				j10++
-			}
-			dAtA[i-1] = uint8(num)
-			i--
-			j10++
-		}
-		slices.Reverse(dAtA[i:start])
-		// --- end of trick
+	// TODO: Metadata & created ts.
 
-		i = encodeVarintTypes(dAtA, i, uint64(j10))
-		i--
-		dAtA[i] = 0xa
-	}
 	return len(dAtA) - i, nil
 }
diff --git a/prompb/custom_test.go b/prompb/custom_test.go
index 916dbc7336..4422229960 100644
--- a/prompb/custom_test.go
+++ b/prompb/custom_test.go
@@ -23,16 +23,16 @@ func TestOptimizedMarshal(t *testing.T) {
 
 	tests := []struct {
 		name string
-		m    *MinimizedWriteRequest
+		m    *WriteRequest
 	}{
 		// {
 		// 	name: "empty",
 		// 	m:    &MinimizedWriteRequest{},
 		// },
 		{
-			name: "simple",
-			m: &MinimizedWriteRequest{
-				Timeseries: []MinimizedTimeSeries{
+			name: "s1",
+			m: &WriteRequest{
+				Timeseries: []TimeSeries{
 					{
 						LabelSymbols: []uint32{
 							0, 10,
@@ -68,11 +68,48 @@ func TestOptimizedMarshal(t *testing.T) {
 				Symbols: "abcdefghijabcdefghijabcdefghijabcdefghij",
 			},
 		},
+		{
+			name: "s2",
+			m: &WriteRequest{
+				Timeseries: []TimeSeries{
+					{
+						LabelSymbols: []uint32{
+							0,
+							1,
+							3,
+							4,
+							5,
+							6,
+						},
+						Samples:    []Sample{{Value: 1, Timestamp: 0}},
+						Exemplars:  []Exemplar{{Labels: []Label{{Name: "f", Value: "g"}}, Value: 1, Timestamp: 0}},
+						Histograms: nil,
+					},
+					{
+						LabelSymbols: []uint32{
+							0,
+							2,
+							3,
+							4,
+							5,
+							6,
+						},
+						Samples:    []Sample{{Value: 2, Timestamp: 1}},
+						Exemplars:  []Exemplar{{Labels: []Label{{Name: "h", Value: "i"}}, Value: 2, Timestamp: 1}},
+						Histograms: nil,
+					},
+				},
+				Symbols2: []string{
+					"foo", "bar",
+					"rab", "__name__",
+					"xyz", "bbb", "xaa",
+				},
+			},
+		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got = got[:0]
 			// should be the same as the standard marshal
 			expected, err := tt.m.Marshal()
 			require.NoError(t, err)
@@ -81,7 +118,7 @@ func TestOptimizedMarshal(t *testing.T) {
 			require.Equal(t, expected, got)
 
 			// round trip
-			m := &MinimizedWriteRequest{}
+			m := &WriteRequest{}
 			require.NoError(t, m.Unmarshal(got))
 			require.Equal(t, tt.m, m)
 		})
diff --git a/prompb/remote.pb.go b/prompb/remote.pb.go
index 2fb98f7737..43ed5222be 100644
--- a/prompb/remote.pb.go
+++ b/prompb/remote.pb.go
@@ -60,15 +60,18 @@ func (x ReadRequest_ResponseType) String() string {
 }
 
 func (ReadRequest_ResponseType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{3, 0}
+	return fileDescriptor_eefc82927d57d89b, []int{1, 0}
 }
 
 type WriteRequest struct {
-	Timeseries           []TimeSeries     `protobuf:"bytes,1,rep,name=timeseries,proto3" json:"timeseries"`
-	Metadata             []MetricMetadata `protobuf:"bytes,3,rep,name=metadata,proto3" json:"metadata"`
-	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
-	XXX_unrecognized     []byte           `json:"-"`
-	XXX_sizecache        int32            `json:"-"`
+	Timeseries []TimeSeries `protobuf:"bytes,1,rep,name=timeseries,proto3" json:"timeseries"`
+	// The symbols table. All symbols are concatenated strings. To read the symbols table, it's required
+	// to know the offset:length range of the actual symbol to read from this string.
+	Symbols              string   `protobuf:"bytes,4,opt,name=symbols,proto3" json:"symbols,omitempty"`
+	Symbols2             []string `protobuf:"bytes,5,rep,name=symbols2,proto3" json:"symbols2,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *WriteRequest) Reset()         { *m = WriteRequest{} }
@@ -111,123 +114,16 @@ func (m *WriteRequest) GetTimeseries() []TimeSeries {
 	return nil
 }
 
-func (m *WriteRequest) GetMetadata() []MetricMetadata {
-	if m != nil {
-		return m.Metadata
-	}
-	return nil
-}
-
-type MinimizedWriteRequest struct {
-	Timeseries []MinimizedTimeSeries `protobuf:"bytes,1,rep,name=timeseries,proto3" json:"timeseries"`
-	// The symbols table. All symbols are concatenated strings. To read the symbols table, it's required
-	// to know the offset:length range of the actual symbol to read from this string.
-	Symbols              string   `protobuf:"bytes,4,opt,name=symbols,proto3" json:"symbols,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *MinimizedWriteRequest) Reset()         { *m = MinimizedWriteRequest{} }
-func (m *MinimizedWriteRequest) String() string { return proto.CompactTextString(m) }
-func (*MinimizedWriteRequest) ProtoMessage()    {}
-func (*MinimizedWriteRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{1}
-}
-func (m *MinimizedWriteRequest) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *MinimizedWriteRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_MinimizedWriteRequest.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *MinimizedWriteRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MinimizedWriteRequest.Merge(m, src)
-}
-func (m *MinimizedWriteRequest) XXX_Size() int {
-	return m.Size()
-}
-func (m *MinimizedWriteRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_MinimizedWriteRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MinimizedWriteRequest proto.InternalMessageInfo
-
-func (m *MinimizedWriteRequest) GetTimeseries() []MinimizedTimeSeries {
-	if m != nil {
-		return m.Timeseries
-	}
-	return nil
-}
-
-func (m *MinimizedWriteRequest) GetSymbols() string {
+func (m *WriteRequest) GetSymbols() string {
 	if m != nil {
 		return m.Symbols
 	}
 	return ""
 }
 
-type MinimizedWriteRequestLen struct {
-	Timeseries []MinimizedTimeSeriesLen `protobuf:"bytes,1,rep,name=timeseries,proto3" json:"timeseries"`
-	// The symbols table. All symbols are concatenated strings prepended with a varint of their length.
-	// To read the symbols table, it's required to know the offset of the actual symbol to read from this string.
-	Symbols              []byte   `protobuf:"bytes,4,opt,name=symbols,proto3" json:"symbols,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *MinimizedWriteRequestLen) Reset()         { *m = MinimizedWriteRequestLen{} }
-func (m *MinimizedWriteRequestLen) String() string { return proto.CompactTextString(m) }
-func (*MinimizedWriteRequestLen) ProtoMessage()    {}
-func (*MinimizedWriteRequestLen) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{2}
-}
-func (m *MinimizedWriteRequestLen) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *MinimizedWriteRequestLen) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_MinimizedWriteRequestLen.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *MinimizedWriteRequestLen) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MinimizedWriteRequestLen.Merge(m, src)
-}
-func (m *MinimizedWriteRequestLen) XXX_Size() int {
-	return m.Size()
-}
-func (m *MinimizedWriteRequestLen) XXX_DiscardUnknown() {
-	xxx_messageInfo_MinimizedWriteRequestLen.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MinimizedWriteRequestLen proto.InternalMessageInfo
-
-func (m *MinimizedWriteRequestLen) GetTimeseries() []MinimizedTimeSeriesLen {
+func (m *WriteRequest) GetSymbols2() []string {
 	if m != nil {
-		return m.Timeseries
-	}
-	return nil
-}
-
-func (m *MinimizedWriteRequestLen) GetSymbols() []byte {
-	if m != nil {
-		return m.Symbols
+		return m.Symbols2
 	}
 	return nil
 }
@@ -250,7 +146,7 @@ func (m *ReadRequest) Reset()         { *m = ReadRequest{} }
 func (m *ReadRequest) String() string { return proto.CompactTextString(m) }
 func (*ReadRequest) ProtoMessage()    {}
 func (*ReadRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{3}
+	return fileDescriptor_eefc82927d57d89b, []int{1}
 }
 func (m *ReadRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -306,7 +202,7 @@ func (m *ReadResponse) Reset()         { *m = ReadResponse{} }
 func (m *ReadResponse) String() string { return proto.CompactTextString(m) }
 func (*ReadResponse) ProtoMessage()    {}
 func (*ReadResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{4}
+	return fileDescriptor_eefc82927d57d89b, []int{2}
 }
 func (m *ReadResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -356,7 +252,7 @@ func (m *Query) Reset()         { *m = Query{} }
 func (m *Query) String() string { return proto.CompactTextString(m) }
 func (*Query) ProtoMessage()    {}
 func (*Query) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{5}
+	return fileDescriptor_eefc82927d57d89b, []int{3}
 }
 func (m *Query) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -425,7 +321,7 @@ func (m *QueryResult) Reset()         { *m = QueryResult{} }
 func (m *QueryResult) String() string { return proto.CompactTextString(m) }
 func (*QueryResult) ProtoMessage()    {}
 func (*QueryResult) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{6}
+	return fileDescriptor_eefc82927d57d89b, []int{4}
 }
 func (m *QueryResult) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -478,7 +374,7 @@ func (m *ChunkedReadResponse) Reset()         { *m = ChunkedReadResponse{} }
 func (m *ChunkedReadResponse) String() string { return proto.CompactTextString(m) }
 func (*ChunkedReadResponse) ProtoMessage()    {}
 func (*ChunkedReadResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eefc82927d57d89b, []int{7}
+	return fileDescriptor_eefc82927d57d89b, []int{5}
 }
 func (m *ChunkedReadResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -524,8 +420,6 @@ func (m *ChunkedReadResponse) GetQueryIndex() int64 {
 func init() {
 	proto.RegisterEnum("prometheus.ReadRequest_ResponseType", ReadRequest_ResponseType_name, ReadRequest_ResponseType_value)
 	proto.RegisterType((*WriteRequest)(nil), "prometheus.WriteRequest")
-	proto.RegisterType((*MinimizedWriteRequest)(nil), "prometheus.MinimizedWriteRequest")
-	proto.RegisterType((*MinimizedWriteRequestLen)(nil), "prometheus.MinimizedWriteRequestLen")
 	proto.RegisterType((*ReadRequest)(nil), "prometheus.ReadRequest")
 	proto.RegisterType((*ReadResponse)(nil), "prometheus.ReadResponse")
 	proto.RegisterType((*Query)(nil), "prometheus.Query")
@@ -536,43 +430,39 @@ func init() {
 func init() { proto.RegisterFile("remote.proto", fileDescriptor_eefc82927d57d89b) }
 
 var fileDescriptor_eefc82927d57d89b = []byte{
-	// 568 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x54, 0x4b, 0x6f, 0xd3, 0x40,
-	0x10, 0xee, 0xd6, 0x69, 0x13, 0xc6, 0xa1, 0x32, 0xdb, 0x96, 0x9a, 0x1e, 0x9a, 0xc8, 0xe2, 0x10,
-	0xa9, 0x28, 0x88, 0x50, 0x71, 0xea, 0x81, 0xb4, 0x44, 0x0a, 0x25, 0xe6, 0xb1, 0x09, 0x02, 0x21,
-	0x24, 0xcb, 0xb1, 0x47, 0x8d, 0x45, 0xfc, 0xa8, 0x77, 0x2d, 0x35, 0x9c, 0x39, 0x71, 0xe2, 0x37,
-	0x71, 0xea, 0x09, 0xf1, 0x0b, 0x10, 0xca, 0x2f, 0x41, 0x7e, 0x85, 0x0d, 0x44, 0x94, 0xdb, 0xee,
-	0x7c, 0x8f, 0xfd, 0x76, 0x76, 0x6c, 0xa8, 0xc7, 0xe8, 0x87, 0x02, 0xdb, 0x51, 0x1c, 0x8a, 0x90,
-	0x42, 0x14, 0x87, 0x3e, 0x8a, 0x09, 0x26, 0x7c, 0x5f, 0x15, 0xb3, 0x08, 0x79, 0x0e, 0xec, 0xef,
-	0x9c, 0x87, 0xe7, 0x61, 0xb6, 0xbc, 0x9f, 0xae, 0xf2, 0xaa, 0xf1, 0x85, 0x40, 0xfd, 0x4d, 0xec,
-	0x09, 0x64, 0x78, 0x91, 0x20, 0x17, 0xf4, 0x18, 0x40, 0x78, 0x3e, 0x72, 0x8c, 0x3d, 0xe4, 0x3a,
-	0x69, 0x2a, 0x2d, 0xb5, 0x73, 0xbb, 0xfd, 0xdb, 0xb4, 0x3d, 0xf2, 0x7c, 0x1c, 0x66, 0xe8, 0x49,
-	0xe5, 0xea, 0x47, 0x63, 0x8d, 0x49, 0x7c, 0x7a, 0x0c, 0x35, 0x1f, 0x85, 0xed, 0xda, 0xc2, 0xd6,
-	0x95, 0x4c, 0xbb, 0x2f, 0x6b, 0x4d, 0x14, 0xb1, 0xe7, 0x98, 0x05, 0xa3, 0xd0, 0x2f, 0x14, 0x67,
-	0x95, 0xda, 0xba, 0xa6, 0x18, 0x9f, 0x08, 0xec, 0x9a, 0x5e, 0xe0, 0xf9, 0xde, 0x47, 0x74, 0x97,
-	0xb2, 0xf5, 0x56, 0x64, 0x6b, 0x2c, 0xf9, 0x97, 0xb2, 0x7f, 0x86, 0xd4, 0xa1, 0xca, 0x67, 0xfe,
-	0x38, 0x9c, 0x72, 0xbd, 0xd2, 0x24, 0xad, 0x1b, 0xac, 0xdc, 0xe6, 0x01, 0xce, 0x2a, 0x35, 0x45,
-	0xab, 0x18, 0x9f, 0x09, 0xe8, 0x2b, 0x63, 0x0c, 0x30, 0xa0, 0xfd, 0x15, 0x49, 0x8c, 0x6b, 0x92,
-	0x0c, 0x30, 0xb8, 0x3e, 0x4c, 0x7d, 0x75, 0x98, 0x6f, 0x04, 0x54, 0x86, 0xb6, 0x5b, 0x76, 0xe2,
-	0x10, 0xaa, 0x17, 0x89, 0x7c, 0xf8, 0x2d, 0xf9, 0xf0, 0x57, 0x09, 0xc6, 0x33, 0x56, 0x32, 0xe8,
-	0x7b, 0xd8, 0xb3, 0x1d, 0x07, 0x23, 0x81, 0xae, 0x15, 0x23, 0x8f, 0xc2, 0x80, 0xa3, 0x95, 0x8d,
-	0x86, 0xbe, 0xde, 0x54, 0x5a, 0x5b, 0x9d, 0xbb, 0xb2, 0x58, 0x3a, 0xa6, 0xcd, 0x0a, 0xf6, 0x68,
-	0x16, 0x21, 0xdb, 0x2d, 0x4d, 0xe4, 0x2a, 0x37, 0x8e, 0xa0, 0x2e, 0x17, 0xa8, 0x0a, 0xd5, 0x61,
-	0xd7, 0x7c, 0x39, 0xe8, 0x0d, 0xb5, 0x35, 0xba, 0x07, 0xdb, 0xc3, 0x11, 0xeb, 0x75, 0xcd, 0xde,
-	0x13, 0xeb, 0xed, 0x0b, 0x66, 0x9d, 0xf6, 0x5f, 0x3f, 0x7f, 0x36, 0xd4, 0x88, 0xd1, 0x4d, 0x55,
-	0xf6, 0xc2, 0x8a, 0x3e, 0x80, 0x6a, 0x8c, 0x3c, 0x99, 0x8a, 0xf2, 0x42, 0x7b, 0x7f, 0x5f, 0x28,
-	0xc3, 0x59, 0xc9, 0x33, 0xbe, 0x12, 0xd8, 0xc8, 0x00, 0x7a, 0x0f, 0x28, 0x17, 0x76, 0x2c, 0xac,
-	0xac, 0xaf, 0xc2, 0xf6, 0x23, 0xcb, 0x4f, 0x7d, 0x48, 0x4b, 0x61, 0x5a, 0x86, 0x8c, 0x4a, 0xc0,
-	0xe4, 0xb4, 0x05, 0x1a, 0x06, 0xee, 0x32, 0x77, 0x3d, 0xe3, 0x6e, 0x61, 0xe0, 0xca, 0xcc, 0x23,
-	0xa8, 0xf9, 0xb6, 0x70, 0x26, 0x18, 0xf3, 0x62, 0x9a, 0x75, 0x39, 0xd5, 0xc0, 0x1e, 0xe3, 0xd4,
-	0xcc, 0x09, 0x6c, 0xc1, 0xa4, 0x87, 0xb0, 0x31, 0xf1, 0x02, 0x91, 0xbf, 0xa7, 0xda, 0xd9, 0xfd,
-	0xb3, 0xb9, 0xfd, 0x14, 0x64, 0x39, 0xc7, 0xe8, 0x81, 0x2a, 0x5d, 0x8e, 0x3e, 0xfa, 0xff, 0xaf,
-	0x4f, 0x9e, 0x22, 0xe3, 0x12, 0xb6, 0x4f, 0x27, 0x49, 0xf0, 0x21, 0x7d, 0x1c, 0xa9, 0xab, 0x8f,
-	0x61, 0xcb, 0xc9, 0xcb, 0xd6, 0x92, 0xe5, 0x1d, 0xd9, 0xb2, 0x10, 0x16, 0xae, 0x37, 0x1d, 0x79,
-	0x4b, 0x1b, 0xa0, 0xa6, 0x63, 0x34, 0xb3, 0xbc, 0xc0, 0xc5, 0xcb, 0xa2, 0x4f, 0x90, 0x95, 0x9e,
-	0xa6, 0x95, 0x93, 0x9d, 0xab, 0xf9, 0x01, 0xf9, 0x3e, 0x3f, 0x20, 0x3f, 0xe7, 0x07, 0xe4, 0xdd,
-	0x66, 0xea, 0x1b, 0x8d, 0xc7, 0x9b, 0xd9, 0xdf, 0xe5, 0xe1, 0xaf, 0x00, 0x00, 0x00, 0xff, 0xff,
-	0xf1, 0x65, 0x72, 0x0c, 0x9c, 0x04, 0x00, 0x00,
+	// 506 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x53, 0xcd, 0x6e, 0xd3, 0x40,
+	0x10, 0xee, 0xd6, 0x49, 0x93, 0x8e, 0x43, 0x64, 0xb6, 0x2d, 0x31, 0x39, 0xa4, 0x91, 0xc5, 0xc1,
+	0x52, 0x51, 0x10, 0xa1, 0xe2, 0xc4, 0x81, 0xb4, 0x44, 0x2a, 0xa5, 0xe1, 0x67, 0x13, 0x04, 0x42,
+	0x48, 0x96, 0x93, 0x8c, 0x1a, 0x8b, 0xf8, 0xa7, 0xbb, 0x6b, 0xa9, 0x79, 0x09, 0x1e, 0x8a, 0x53,
+	0x4f, 0x88, 0x27, 0x40, 0x28, 0x4f, 0x82, 0xbc, 0xb6, 0xc3, 0x16, 0x2e, 0xdc, 0x66, 0xbe, 0xef,
+	0x9b, 0xcf, 0x33, 0xb3, 0x63, 0x68, 0x70, 0x0c, 0x63, 0x89, 0xbd, 0x84, 0xc7, 0x32, 0xa6, 0x90,
+	0xf0, 0x38, 0x44, 0xb9, 0xc0, 0x54, 0xb4, 0x4d, 0xb9, 0x4a, 0x50, 0xe4, 0x44, 0x7b, 0xff, 0x32,
+	0xbe, 0x8c, 0x55, 0xf8, 0x28, 0x8b, 0x72, 0xd4, 0xf9, 0x4a, 0xa0, 0xf1, 0x81, 0x07, 0x12, 0x19,
+	0x5e, 0xa5, 0x28, 0x24, 0x7d, 0x06, 0x20, 0x83, 0x10, 0x05, 0xf2, 0x00, 0x85, 0x4d, 0xba, 0x86,
+	0x6b, 0xf6, 0xef, 0xf5, 0xfe, 0x98, 0xf6, 0x26, 0x41, 0x88, 0x63, 0xc5, 0x9e, 0x54, 0x6e, 0x7e,
+	0x1e, 0x6e, 0x31, 0x4d, 0x4f, 0x6d, 0xa8, 0x89, 0x55, 0x38, 0x8d, 0x97, 0xc2, 0xae, 0x74, 0x89,
+	0xbb, 0xcb, 0xca, 0x94, 0xb6, 0xa1, 0x5e, 0x84, 0x7d, 0xbb, 0xda, 0x35, 0xdc, 0x5d, 0xb6, 0xc9,
+	0xcf, 0x2b, 0xf5, 0x6d, 0xcb, 0x38, 0xaf, 0xd4, 0x0d, 0xab, 0xe2, 0x7c, 0x27, 0x60, 0x32, 0xf4,
+	0xe7, 0x65, 0x3f, 0x47, 0x50, 0xbb, 0x4a, 0xf5, 0x66, 0xee, 0xea, 0xcd, 0xbc, 0x4b, 0x91, 0xaf,
+	0x58, 0xa9, 0xa0, 0x9f, 0xa1, 0xe5, 0xcf, 0x66, 0x98, 0x48, 0x9c, 0x7b, 0x1c, 0x45, 0x12, 0x47,
+	0x02, 0x3d, 0xb5, 0x04, 0x7b, 0xbb, 0x6b, 0xb8, 0xcd, 0xfe, 0x03, 0xbd, 0x58, 0xfb, 0x4c, 0x8f,
+	0x15, 0xea, 0xc9, 0x2a, 0x41, 0x76, 0x50, 0x9a, 0xe8, 0xa8, 0x70, 0x8e, 0xa1, 0xa1, 0x03, 0xd4,
+	0x84, 0xda, 0x78, 0x30, 0x7a, 0x7b, 0x31, 0x1c, 0x5b, 0x5b, 0xb4, 0x05, 0x7b, 0xe3, 0x09, 0x1b,
+	0x0e, 0x46, 0xc3, 0x17, 0xde, 0xc7, 0x37, 0xcc, 0x3b, 0x3d, 0x7b, 0xff, 0xfa, 0xd5, 0xd8, 0x22,
+	0xce, 0x20, 0xab, 0xf2, 0x37, 0x56, 0xf4, 0x31, 0xd4, 0x38, 0x8a, 0x74, 0x29, 0xcb, 0x81, 0x5a,
+	0xff, 0x0e, 0xa4, 0x78, 0x56, 0xea, 0x9c, 0x6f, 0x04, 0xaa, 0x8a, 0xa0, 0x0f, 0x81, 0x0a, 0xe9,
+	0x73, 0xe9, 0xa9, 0x9d, 0x4b, 0x3f, 0x4c, 0xbc, 0x30, 0xf3, 0x21, 0xae, 0xc1, 0x2c, 0xc5, 0x4c,
+	0x4a, 0x62, 0x24, 0xa8, 0x0b, 0x16, 0x46, 0xf3, 0xdb, 0xda, 0x6d, 0xa5, 0x6d, 0x62, 0x34, 0xd7,
+	0x95, 0xc7, 0x50, 0x0f, 0x7d, 0x39, 0x5b, 0x20, 0x17, 0xb6, 0xa1, 0xba, 0xb2, 0xf5, 0xae, 0x2e,
+	0xfc, 0x29, 0x2e, 0x47, 0xb9, 0x80, 0x6d, 0x94, 0xf4, 0x08, 0xaa, 0x8b, 0x20, 0x92, 0xf9, 0x5b,
+	0x9b, 0xfd, 0x83, 0xbf, 0x97, 0x7b, 0x96, 0x91, 0x2c, 0xd7, 0x38, 0x43, 0x30, 0xb5, 0xe1, 0xe8,
+	0xd3, 0xff, 0xbf, 0x33, 0xfd, 0xc2, 0x9c, 0x6b, 0xd8, 0x3b, 0x5d, 0xa4, 0xd1, 0x97, 0xec, 0x71,
+	0xb4, 0xad, 0x3e, 0x87, 0xe6, 0x2c, 0x87, 0xbd, 0x5b, 0x96, 0xf7, 0x75, 0xcb, 0xa2, 0xb0, 0x70,
+	0xbd, 0x33, 0xd3, 0x53, 0x7a, 0x08, 0x66, 0x76, 0x46, 0x2b, 0x2f, 0x88, 0xe6, 0x78, 0x5d, 0xec,
+	0x09, 0x14, 0xf4, 0x32, 0x43, 0x4e, 0xf6, 0x6f, 0xd6, 0x1d, 0xf2, 0x63, 0xdd, 0x21, 0xbf, 0xd6,
+	0x1d, 0xf2, 0x69, 0x27, 0xf3, 0x4d, 0xa6, 0xd3, 0x1d, 0xf5, 0x1f, 0x3d, 0xf9, 0x1d, 0x00, 0x00,
+	0xff, 0xff, 0x9b, 0x9a, 0xff, 0xe0, 0x86, 0x03, 0x00, 0x00,
 }
 
 func (m *WriteRequest) Marshal() (dAtA []byte, err error) {
@@ -599,109 +489,15 @@ func (m *WriteRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	if len(m.Metadata) > 0 {
-		for iNdEx := len(m.Metadata) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Metadata[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintRemote(dAtA, i, uint64(size))
-			}
+	if len(m.Symbols2) > 0 {
+		for iNdEx := len(m.Symbols2) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.Symbols2[iNdEx])
+			copy(dAtA[i:], m.Symbols2[iNdEx])
+			i = encodeVarintRemote(dAtA, i, uint64(len(m.Symbols2[iNdEx])))
 			i--
-			dAtA[i] = 0x1a
+			dAtA[i] = 0x2a
 		}
 	}
-	if len(m.Timeseries) > 0 {
-		for iNdEx := len(m.Timeseries) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Timeseries[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintRemote(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0xa
-		}
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *MinimizedWriteRequest) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *MinimizedWriteRequest) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *MinimizedWriteRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.XXX_unrecognized != nil {
-		i -= len(m.XXX_unrecognized)
-		copy(dAtA[i:], m.XXX_unrecognized)
-	}
-	if len(m.Symbols) > 0 {
-		i -= len(m.Symbols)
-		copy(dAtA[i:], m.Symbols)
-		i = encodeVarintRemote(dAtA, i, uint64(len(m.Symbols)))
-		i--
-		dAtA[i] = 0x22
-	}
-	if len(m.Timeseries) > 0 {
-		for iNdEx := len(m.Timeseries) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Timeseries[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintRemote(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0xa
-		}
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *MinimizedWriteRequestLen) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *MinimizedWriteRequestLen) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *MinimizedWriteRequestLen) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.XXX_unrecognized != nil {
-		i -= len(m.XXX_unrecognized)
-		copy(dAtA[i:], m.XXX_unrecognized)
-	}
 	if len(m.Symbols) > 0 {
 		i -= len(m.Symbols)
 		copy(dAtA[i:], m.Symbols)
@@ -988,30 +784,6 @@ func encodeVarintRemote(dAtA []byte, offset int, v uint64) int {
 	return base
 }
 func (m *WriteRequest) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	if len(m.Timeseries) > 0 {
-		for _, e := range m.Timeseries {
-			l = e.Size()
-			n += 1 + l + sovRemote(uint64(l))
-		}
-	}
-	if len(m.Metadata) > 0 {
-		for _, e := range m.Metadata {
-			l = e.Size()
-			n += 1 + l + sovRemote(uint64(l))
-		}
-	}
-	if m.XXX_unrecognized != nil {
-		n += len(m.XXX_unrecognized)
-	}
-	return n
-}
-
-func (m *MinimizedWriteRequest) Size() (n int) {
 	if m == nil {
 		return 0
 	}
@@ -1027,28 +799,12 @@ func (m *MinimizedWriteRequest) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovRemote(uint64(l))
 	}
-	if m.XXX_unrecognized != nil {
-		n += len(m.XXX_unrecognized)
-	}
-	return n
-}
-
-func (m *MinimizedWriteRequestLen) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	if len(m.Timeseries) > 0 {
-		for _, e := range m.Timeseries {
-			l = e.Size()
+	if len(m.Symbols2) > 0 {
+		for _, s := range m.Symbols2 {
+			l = len(s)
 			n += 1 + l + sovRemote(uint64(l))
 		}
 	}
-	l = len(m.Symbols)
-	if l > 0 {
-		n += 1 + l + sovRemote(uint64(l))
-	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -1234,125 +990,6 @@ func (m *WriteRequest) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
-		case 3:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Metadata", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRemote
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthRemote
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthRemote
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Metadata = append(m.Metadata, MetricMetadata{})
-			if err := m.Metadata[len(m.Metadata)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipRemote(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthRemote
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *MinimizedWriteRequest) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowRemote
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: MinimizedWriteRequest: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: MinimizedWriteRequest: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Timeseries", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRemote
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthRemote
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthRemote
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Timeseries = append(m.Timeseries, MinimizedTimeSeries{})
-			if err := m.Timeseries[len(m.Timeseries)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		case 4:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Symbols", wireType)
@@ -1385,62 +1022,11 @@ func (m *MinimizedWriteRequest) Unmarshal(dAtA []byte) error {
 			}
 			m.Symbols = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipRemote(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthRemote
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *MinimizedWriteRequestLen) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowRemote
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: MinimizedWriteRequestLen: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: MinimizedWriteRequestLen: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
+		case 5:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Timeseries", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field Symbols2", wireType)
 			}
-			var msglen int
+			var stringLen uint64
 			for shift := uint(0); ; shift += 7 {
 				if shift >= 64 {
 					return ErrIntOverflowRemote
@@ -1450,59 +1036,23 @@ func (m *MinimizedWriteRequestLen) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				msglen |= int(b&0x7F) << shift
+				stringLen |= uint64(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
-			if msglen < 0 {
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
 				return ErrInvalidLengthRemote
 			}
-			postIndex := iNdEx + msglen
+			postIndex := iNdEx + intStringLen
 			if postIndex < 0 {
 				return ErrInvalidLengthRemote
 			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Timeseries = append(m.Timeseries, MinimizedTimeSeriesLen{})
-			if err := m.Timeseries[len(m.Timeseries)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 4:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Symbols", wireType)
-			}
-			var byteLen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRemote
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				byteLen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if byteLen < 0 {
-				return ErrInvalidLengthRemote
-			}
-			postIndex := iNdEx + byteLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRemote
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Symbols = append(m.Symbols[:0], dAtA[iNdEx:postIndex]...)
-			if m.Symbols == nil {
-				m.Symbols = []byte{}
-			}
+			m.Symbols2 = append(m.Symbols2, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
diff --git a/prompb/remote.proto b/prompb/remote.proto
index 7b3747e336..e47cfbfda5 100644
--- a/prompb/remote.proto
+++ b/prompb/remote.proto
@@ -20,35 +20,14 @@ import "types.proto";
 import "gogoproto/gogo.proto";
 
 message WriteRequest {
-  repeated prometheus.TimeSeries timeseries = 1 [(gogoproto.nullable) = false];
-  // Cortex uses this field to determine the source of the write request.
-  // We reserve it to avoid any compatibility issues.
+  repeated TimeSeries timeseries = 1 [(gogoproto.nullable) = false];
   reserved  2;
-  repeated prometheus.MetricMetadata metadata = 3 [(gogoproto.nullable) = false];
-}
-
-message MinimizedWriteRequest {
-  repeated MinimizedTimeSeries timeseries = 1 [(gogoproto.nullable) = false];
-  // Cortex uses this field to determine the source of the write request.
-  // We reserve it to avoid any compatibility issues.
-  reserved  2;
-  // Metadata (3) has moved to be part of the TimeSeries type
   reserved  3;
+
   // The symbols table. All symbols are concatenated strings. To read the symbols table, it's required
   // to know the offset:length range of the actual symbol to read from this string.
   string symbols = 4;
-}
-
-message MinimizedWriteRequestLen {
-  repeated MinimizedTimeSeriesLen timeseries = 1 [(gogoproto.nullable) = false];
-  // Cortex uses this field to determine the source of the write request.
-  // We reserve it to avoid any compatibility issues.
-  reserved  2;
-  // Metadata (3) has moved to be part of the TimeSeries type
-  reserved  3;
-  // The symbols table. All symbols are concatenated strings prepended with a varint of their length.
-  // To read the symbols table, it's required to know the offset of the actual symbol to read from this string.
-  bytes symbols = 4;
+  repeated string symbols2 = 5; // TEST.
 }
 
 // ReadRequest represents a remote read request.
diff --git a/prompb/types.pb.go b/prompb/types.pb.go
index f1e220ce7e..863ec909ca 100644
--- a/prompb/types.pb.go
+++ b/prompb/types.pb.go
@@ -25,20 +25,20 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
-type MetricMetadata_MetricType int32
+type Metadata_MetricType int32
 
 const (
-	MetricMetadata_UNKNOWN        MetricMetadata_MetricType = 0
-	MetricMetadata_COUNTER        MetricMetadata_MetricType = 1
-	MetricMetadata_GAUGE          MetricMetadata_MetricType = 2
-	MetricMetadata_HISTOGRAM      MetricMetadata_MetricType = 3
-	MetricMetadata_GAUGEHISTOGRAM MetricMetadata_MetricType = 4
-	MetricMetadata_SUMMARY        MetricMetadata_MetricType = 5
-	MetricMetadata_INFO           MetricMetadata_MetricType = 6
-	MetricMetadata_STATESET       MetricMetadata_MetricType = 7
+	Metadata_UNKNOWN        Metadata_MetricType = 0
+	Metadata_COUNTER        Metadata_MetricType = 1
+	Metadata_GAUGE          Metadata_MetricType = 2
+	Metadata_HISTOGRAM      Metadata_MetricType = 3
+	Metadata_GAUGEHISTOGRAM Metadata_MetricType = 4
+	Metadata_SUMMARY        Metadata_MetricType = 5
+	Metadata_INFO           Metadata_MetricType = 6
+	Metadata_STATESET       Metadata_MetricType = 7
 )
 
-var MetricMetadata_MetricType_name = map[int32]string{
+var Metadata_MetricType_name = map[int32]string{
 	0: "UNKNOWN",
 	1: "COUNTER",
 	2: "GAUGE",
@@ -49,7 +49,7 @@ var MetricMetadata_MetricType_name = map[int32]string{
 	7: "STATESET",
 }
 
-var MetricMetadata_MetricType_value = map[string]int32{
+var Metadata_MetricType_value = map[string]int32{
 	"UNKNOWN":        0,
 	"COUNTER":        1,
 	"GAUGE":          2,
@@ -60,11 +60,11 @@ var MetricMetadata_MetricType_value = map[string]int32{
 	"STATESET":       7,
 }
 
-func (x MetricMetadata_MetricType) String() string {
-	return proto.EnumName(MetricMetadata_MetricType_name, int32(x))
+func (x Metadata_MetricType) String() string {
+	return proto.EnumName(Metadata_MetricType_name, int32(x))
 }
 
-func (MetricMetadata_MetricType) EnumDescriptor() ([]byte, []int) {
+func (Metadata_MetricType) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_d938547f84707355, []int{0, 0}
 }
 
@@ -127,7 +127,7 @@ func (x LabelMatcher_Type) String() string {
 }
 
 func (LabelMatcher_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{10, 0}
+	return fileDescriptor_d938547f84707355, []int{8, 0}
 }
 
 // We require this to match chunkenc.Encoding.
@@ -159,33 +159,32 @@ func (x Chunk_Encoding) String() string {
 }
 
 func (Chunk_Encoding) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{12, 0}
+	return fileDescriptor_d938547f84707355, []int{10, 0}
 }
 
-type MetricMetadata struct {
+type Metadata struct {
 	// Represents the metric type, these match the set from Prometheus.
 	// Refer to model/textparse/interface.go for details.
-	Type                 MetricMetadata_MetricType `protobuf:"varint,1,opt,name=type,proto3,enum=prometheus.MetricMetadata_MetricType" json:"type,omitempty"`
-	MetricFamilyName     string                    `protobuf:"bytes,2,opt,name=metric_family_name,json=metricFamilyName,proto3" json:"metric_family_name,omitempty"`
-	Help                 string                    `protobuf:"bytes,4,opt,name=help,proto3" json:"help,omitempty"`
-	Unit                 string                    `protobuf:"bytes,5,opt,name=unit,proto3" json:"unit,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
-	XXX_unrecognized     []byte                    `json:"-"`
-	XXX_sizecache        int32                     `json:"-"`
+	Type                 Metadata_MetricType `protobuf:"varint,1,opt,name=type,proto3,enum=prometheus.Metadata_MetricType" json:"type,omitempty"`
+	Help                 string              `protobuf:"bytes,2,opt,name=help,proto3" json:"help,omitempty"`
+	Unit                 string              `protobuf:"bytes,3,opt,name=unit,proto3" json:"unit,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}            `json:"-"`
+	XXX_unrecognized     []byte              `json:"-"`
+	XXX_sizecache        int32               `json:"-"`
 }
 
-func (m *MetricMetadata) Reset()         { *m = MetricMetadata{} }
-func (m *MetricMetadata) String() string { return proto.CompactTextString(m) }
-func (*MetricMetadata) ProtoMessage()    {}
-func (*MetricMetadata) Descriptor() ([]byte, []int) {
+func (m *Metadata) Reset()         { *m = Metadata{} }
+func (m *Metadata) String() string { return proto.CompactTextString(m) }
+func (*Metadata) ProtoMessage()    {}
+func (*Metadata) Descriptor() ([]byte, []int) {
 	return fileDescriptor_d938547f84707355, []int{0}
 }
-func (m *MetricMetadata) XXX_Unmarshal(b []byte) error {
+func (m *Metadata) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
-func (m *MetricMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+func (m *Metadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
-		return xxx_messageInfo_MetricMetadata.Marshal(b, m, deterministic)
+		return xxx_messageInfo_Metadata.Marshal(b, m, deterministic)
 	} else {
 		b = b[:cap(b)]
 		n, err := m.MarshalToSizedBuffer(b)
@@ -195,40 +194,33 @@ func (m *MetricMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, erro
 		return b[:n], nil
 	}
 }
-func (m *MetricMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MetricMetadata.Merge(m, src)
+func (m *Metadata) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Metadata.Merge(m, src)
 }
-func (m *MetricMetadata) XXX_Size() int {
+func (m *Metadata) XXX_Size() int {
 	return m.Size()
 }
-func (m *MetricMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_MetricMetadata.DiscardUnknown(m)
+func (m *Metadata) XXX_DiscardUnknown() {
+	xxx_messageInfo_Metadata.DiscardUnknown(m)
 }
 
-var xxx_messageInfo_MetricMetadata proto.InternalMessageInfo
+var xxx_messageInfo_Metadata proto.InternalMessageInfo
 
-func (m *MetricMetadata) GetType() MetricMetadata_MetricType {
+func (m *Metadata) GetType() Metadata_MetricType {
 	if m != nil {
 		return m.Type
 	}
-	return MetricMetadata_UNKNOWN
+	return Metadata_UNKNOWN
 }
 
-func (m *MetricMetadata) GetMetricFamilyName() string {
-	if m != nil {
-		return m.MetricFamilyName
-	}
-	return ""
-}
-
-func (m *MetricMetadata) GetHelp() string {
+func (m *Metadata) GetHelp() string {
 	if m != nil {
 		return m.Help
 	}
 	return ""
 }
 
-func (m *MetricMetadata) GetUnit() string {
+func (m *Metadata) GetUnit() string {
 	if m != nil {
 		return m.Unit
 	}
@@ -660,15 +652,25 @@ func (m *BucketSpan) GetLength() uint32 {
 
 // TimeSeries represents samples and labels for a single time series.
 type TimeSeries struct {
-	// For a timeseries to be valid, and for the samples and exemplars
-	// to be ingested by the remote system properly, the labels field is required.
-	Labels               []Label     `protobuf:"bytes,1,rep,name=labels,proto3" json:"labels"`
-	Samples              []Sample    `protobuf:"bytes,2,rep,name=samples,proto3" json:"samples"`
-	Exemplars            []Exemplar  `protobuf:"bytes,3,rep,name=exemplars,proto3" json:"exemplars"`
-	Histograms           []Histogram `protobuf:"bytes,4,rep,name=histograms,proto3" json:"histograms"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
+	// Deprecated in 1.1, use interned label symbols instead.
+	Labels []Label `protobuf:"bytes,1,rep,name=labels,proto3" json:"labels"`
+	// Sorted list of label name-value pair references. This list's len is always multiple of 4,
+	// packing tuples of (label name offset, label name length, label value offset, label value length).
+	// Offsets point to the WriteRequest.symbols.
+	LabelSymbols []uint32 `protobuf:"varint,10,rep,packed,name=label_symbols,json=labelSymbols,proto3" json:"label_symbols,omitempty"`
+	// Sorted by time, oldest sample first.
+	Samples    []Sample    `protobuf:"bytes,2,rep,name=samples,proto3" json:"samples"`
+	Exemplars  []Exemplar  `protobuf:"bytes,3,rep,name=exemplars,proto3" json:"exemplars"`
+	Histograms []Histogram `protobuf:"bytes,4,rep,name=histograms,proto3" json:"histograms"`
+	Metadata   *Metadata   `protobuf:"bytes,5,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	// Optional created timestamp for the metric in ms format,
+	// if the first sample in samples does not contain 0 value.
+	// See model/timestamp/timestamp.go for conversion from time.Time
+	// to Prometheus timestamp.
+	CreatedTimestamp     int64    `protobuf:"varint,6,opt,name=created_timestamp,json=createdTimestamp,proto3" json:"created_timestamp,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *TimeSeries) Reset()         { *m = TimeSeries{} }
@@ -711,6 +713,13 @@ func (m *TimeSeries) GetLabels() []Label {
 	return nil
 }
 
+func (m *TimeSeries) GetLabelSymbols() []uint32 {
+	if m != nil {
+		return m.LabelSymbols
+	}
+	return nil
+}
+
 func (m *TimeSeries) GetSamples() []Sample {
 	if m != nil {
 		return m.Samples
@@ -732,157 +741,18 @@ func (m *TimeSeries) GetHistograms() []Histogram {
 	return nil
 }
 
-// based on an experiment by marco
-type MinimizedTimeSeries struct {
-	// Sorted list of label name-value pair references. This list's len is always multiple of 4,
-	// packing tuples of (label name offset, label name length, label value offset, label value length).
-	// Offsets point to the symbol table in the higher level MinimizedWriteRequestLen.
-	LabelSymbols []uint32 `protobuf:"varint,1,rep,packed,name=label_symbols,json=labelSymbols,proto3" json:"label_symbols,omitempty"`
-	// Sorted by time, oldest sample first.
-	// TODO: support references for other types
-	Samples              []Sample    `protobuf:"bytes,2,rep,name=samples,proto3" json:"samples"`
-	Exemplars            []Exemplar  `protobuf:"bytes,3,rep,name=exemplars,proto3" json:"exemplars"`
-	Histograms           []Histogram `protobuf:"bytes,4,rep,name=histograms,proto3" json:"histograms"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
-}
-
-func (m *MinimizedTimeSeries) Reset()         { *m = MinimizedTimeSeries{} }
-func (m *MinimizedTimeSeries) String() string { return proto.CompactTextString(m) }
-func (*MinimizedTimeSeries) ProtoMessage()    {}
-func (*MinimizedTimeSeries) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{6}
-}
-func (m *MinimizedTimeSeries) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *MinimizedTimeSeries) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_MinimizedTimeSeries.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *MinimizedTimeSeries) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MinimizedTimeSeries.Merge(m, src)
-}
-func (m *MinimizedTimeSeries) XXX_Size() int {
-	return m.Size()
-}
-func (m *MinimizedTimeSeries) XXX_DiscardUnknown() {
-	xxx_messageInfo_MinimizedTimeSeries.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MinimizedTimeSeries proto.InternalMessageInfo
-
-func (m *MinimizedTimeSeries) GetLabelSymbols() []uint32 {
+func (m *TimeSeries) GetMetadata() *Metadata {
 	if m != nil {
-		return m.LabelSymbols
+		return m.Metadata
 	}
 	return nil
 }
 
-func (m *MinimizedTimeSeries) GetSamples() []Sample {
+func (m *TimeSeries) GetCreatedTimestamp() int64 {
 	if m != nil {
-		return m.Samples
+		return m.CreatedTimestamp
 	}
-	return nil
-}
-
-func (m *MinimizedTimeSeries) GetExemplars() []Exemplar {
-	if m != nil {
-		return m.Exemplars
-	}
-	return nil
-}
-
-func (m *MinimizedTimeSeries) GetHistograms() []Histogram {
-	if m != nil {
-		return m.Histograms
-	}
-	return nil
-}
-
-type MinimizedTimeSeriesLen struct {
-	// Sorted list of label name-value pair references, encoded as 32bit uint. This
-	// list's real len is always multiple of 2, label name offset/label value offset.
-	// Offsets point to the symbol table in the higher level MinimizedWriteRequestLen.
-	LabelSymbols []uint32 `protobuf:"fixed32,1,rep,packed,name=label_symbols,json=labelSymbols,proto3" json:"label_symbols,omitempty"`
-	// Sorted by time, oldest sample first.
-	// TODO: support references for other types
-	Samples              []Sample    `protobuf:"bytes,2,rep,name=samples,proto3" json:"samples"`
-	Exemplars            []Exemplar  `protobuf:"bytes,3,rep,name=exemplars,proto3" json:"exemplars"`
-	Histograms           []Histogram `protobuf:"bytes,4,rep,name=histograms,proto3" json:"histograms"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
-}
-
-func (m *MinimizedTimeSeriesLen) Reset()         { *m = MinimizedTimeSeriesLen{} }
-func (m *MinimizedTimeSeriesLen) String() string { return proto.CompactTextString(m) }
-func (*MinimizedTimeSeriesLen) ProtoMessage()    {}
-func (*MinimizedTimeSeriesLen) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{7}
-}
-func (m *MinimizedTimeSeriesLen) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *MinimizedTimeSeriesLen) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_MinimizedTimeSeriesLen.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *MinimizedTimeSeriesLen) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MinimizedTimeSeriesLen.Merge(m, src)
-}
-func (m *MinimizedTimeSeriesLen) XXX_Size() int {
-	return m.Size()
-}
-func (m *MinimizedTimeSeriesLen) XXX_DiscardUnknown() {
-	xxx_messageInfo_MinimizedTimeSeriesLen.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MinimizedTimeSeriesLen proto.InternalMessageInfo
-
-func (m *MinimizedTimeSeriesLen) GetLabelSymbols() []uint32 {
-	if m != nil {
-		return m.LabelSymbols
-	}
-	return nil
-}
-
-func (m *MinimizedTimeSeriesLen) GetSamples() []Sample {
-	if m != nil {
-		return m.Samples
-	}
-	return nil
-}
-
-func (m *MinimizedTimeSeriesLen) GetExemplars() []Exemplar {
-	if m != nil {
-		return m.Exemplars
-	}
-	return nil
-}
-
-func (m *MinimizedTimeSeriesLen) GetHistograms() []Histogram {
-	if m != nil {
-		return m.Histograms
-	}
-	return nil
+	return 0
 }
 
 type Label struct {
@@ -897,7 +767,7 @@ func (m *Label) Reset()         { *m = Label{} }
 func (m *Label) String() string { return proto.CompactTextString(m) }
 func (*Label) ProtoMessage()    {}
 func (*Label) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{8}
+	return fileDescriptor_d938547f84707355, []int{6}
 }
 func (m *Label) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -951,7 +821,7 @@ func (m *Labels) Reset()         { *m = Labels{} }
 func (m *Labels) String() string { return proto.CompactTextString(m) }
 func (*Labels) ProtoMessage()    {}
 func (*Labels) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{9}
+	return fileDescriptor_d938547f84707355, []int{7}
 }
 func (m *Labels) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1001,7 +871,7 @@ func (m *LabelMatcher) Reset()         { *m = LabelMatcher{} }
 func (m *LabelMatcher) String() string { return proto.CompactTextString(m) }
 func (*LabelMatcher) ProtoMessage()    {}
 func (*LabelMatcher) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{10}
+	return fileDescriptor_d938547f84707355, []int{8}
 }
 func (m *LabelMatcher) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1068,7 +938,7 @@ func (m *ReadHints) Reset()         { *m = ReadHints{} }
 func (m *ReadHints) String() string { return proto.CompactTextString(m) }
 func (*ReadHints) ProtoMessage()    {}
 func (*ReadHints) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{11}
+	return fileDescriptor_d938547f84707355, []int{9}
 }
 func (m *ReadHints) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1162,7 +1032,7 @@ func (m *Chunk) Reset()         { *m = Chunk{} }
 func (m *Chunk) String() string { return proto.CompactTextString(m) }
 func (*Chunk) ProtoMessage()    {}
 func (*Chunk) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{12}
+	return fileDescriptor_d938547f84707355, []int{10}
 }
 func (m *Chunk) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1234,7 +1104,7 @@ func (m *ChunkedSeries) Reset()         { *m = ChunkedSeries{} }
 func (m *ChunkedSeries) String() string { return proto.CompactTextString(m) }
 func (*ChunkedSeries) ProtoMessage()    {}
 func (*ChunkedSeries) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d938547f84707355, []int{13}
+	return fileDescriptor_d938547f84707355, []int{11}
 }
 func (m *ChunkedSeries) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1278,18 +1148,16 @@ func (m *ChunkedSeries) GetChunks() []Chunk {
 }
 
 func init() {
-	proto.RegisterEnum("prometheus.MetricMetadata_MetricType", MetricMetadata_MetricType_name, MetricMetadata_MetricType_value)
+	proto.RegisterEnum("prometheus.Metadata_MetricType", Metadata_MetricType_name, Metadata_MetricType_value)
 	proto.RegisterEnum("prometheus.Histogram_ResetHint", Histogram_ResetHint_name, Histogram_ResetHint_value)
 	proto.RegisterEnum("prometheus.LabelMatcher_Type", LabelMatcher_Type_name, LabelMatcher_Type_value)
 	proto.RegisterEnum("prometheus.Chunk_Encoding", Chunk_Encoding_name, Chunk_Encoding_value)
-	proto.RegisterType((*MetricMetadata)(nil), "prometheus.MetricMetadata")
+	proto.RegisterType((*Metadata)(nil), "prometheus.Metadata")
 	proto.RegisterType((*Sample)(nil), "prometheus.Sample")
 	proto.RegisterType((*Exemplar)(nil), "prometheus.Exemplar")
 	proto.RegisterType((*Histogram)(nil), "prometheus.Histogram")
 	proto.RegisterType((*BucketSpan)(nil), "prometheus.BucketSpan")
 	proto.RegisterType((*TimeSeries)(nil), "prometheus.TimeSeries")
-	proto.RegisterType((*MinimizedTimeSeries)(nil), "prometheus.MinimizedTimeSeries")
-	proto.RegisterType((*MinimizedTimeSeriesLen)(nil), "prometheus.MinimizedTimeSeriesLen")
 	proto.RegisterType((*Label)(nil), "prometheus.Label")
 	proto.RegisterType((*Labels)(nil), "prometheus.Labels")
 	proto.RegisterType((*LabelMatcher)(nil), "prometheus.LabelMatcher")
@@ -1301,82 +1169,80 @@ func init() {
 func init() { proto.RegisterFile("types.proto", fileDescriptor_d938547f84707355) }
 
 var fileDescriptor_d938547f84707355 = []byte{
-	// 1150 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xd4, 0x56, 0xcb, 0x6e, 0xdb, 0x46,
-	0x17, 0x36, 0x49, 0x89, 0x12, 0x8f, 0x2e, 0xa1, 0x27, 0x8e, 0x7f, 0xfe, 0x46, 0xe3, 0xa8, 0x2c,
-	0xd2, 0xaa, 0x45, 0x21, 0x23, 0x6e, 0x17, 0x0d, 0x1a, 0x14, 0xb0, 0x1d, 0xf9, 0x82, 0x9a, 0x12,
-	0x32, 0x92, 0xd1, 0xa6, 0x1b, 0x61, 0x24, 0x8d, 0x25, 0x22, 0xbc, 0x95, 0x33, 0x0a, 0xac, 0xbc,
-	0x47, 0x77, 0x7d, 0x89, 0xbe, 0x45, 0x80, 0x6e, 0xda, 0x17, 0x28, 0x0a, 0xaf, 0x02, 0xf4, 0x25,
-	0x8a, 0x19, 0x92, 0x22, 0x15, 0xbb, 0x40, 0xd3, 0x5d, 0x76, 0x73, 0xbe, 0x73, 0xfb, 0xce, 0xcc,
-	0x99, 0x39, 0x03, 0x35, 0xbe, 0x8c, 0x28, 0xeb, 0x44, 0x71, 0xc8, 0x43, 0x04, 0x51, 0x1c, 0xfa,
-	0x94, 0xcf, 0xe9, 0x82, 0xed, 0x6c, 0xcd, 0xc2, 0x59, 0x28, 0xe1, 0x3d, 0xb1, 0x4a, 0x2c, 0xec,
-	0x9f, 0x55, 0x68, 0x3a, 0x94, 0xc7, 0xee, 0xc4, 0xa1, 0x9c, 0x4c, 0x09, 0x27, 0xe8, 0x31, 0x94,
-	0x44, 0x0c, 0x4b, 0x69, 0x29, 0xed, 0xe6, 0xfe, 0xc3, 0x4e, 0x1e, 0xa3, 0xb3, 0x6e, 0x99, 0x8a,
-	0xc3, 0x65, 0x44, 0xb1, 0x74, 0x41, 0x9f, 0x03, 0xf2, 0x25, 0x36, 0xba, 0x24, 0xbe, 0xeb, 0x2d,
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+	0xa8, 0x5e, 0xc6, 0xe2, 0xb9, 0x11, 0x00, 0xee, 0xda, 0x86, 0xfb, 0x8b, 0x26, 0x2e, 0x00, 0x99,
+	0x89, 0xfe, 0x67, 0xe8, 0xff, 0x50, 0x61, 0x9c, 0xc6, 0xe3, 0x80, 0x49, 0x5d, 0x06, 0x36, 0xc5,
+	0xb2, 0xc7, 0x44, 0xea, 0xeb, 0x65, 0x38, 0xcd, 0x52, 0x0b, 0x1b, 0xbd, 0x07, 0x55, 0xc6, 0x49,
+	0xc2, 0x05, 0x5b, 0x0d, 0xf6, 0x8a, 0x5c, 0xf7, 0x18, 0x7a, 0x00, 0x26, 0x0d, 0x67, 0x63, 0x59,
+	0x73, 0xb1, 0x51, 0xa6, 0xe1, 0xac, 0xc7, 0xd0, 0x1e, 0x54, 0xe7, 0x49, 0xb4, 0x8c, 0xbd, 0x70,
+	0xee, 0x94, 0x5b, 0x46, 0xdb, 0xc2, 0xf9, 0x1a, 0x35, 0x41, 0x9f, 0xac, 0x64, 0xb1, 0xaa, 0x58,
+	0x9f, 0xac, 0x44, 0xf4, 0x84, 0x84, 0x73, 0x2a, 0x82, 0x54, 0x54, 0x74, 0xb9, 0xee, 0x31, 0xf7,
+	0x77, 0x0d, 0xca, 0x27, 0x8b, 0x65, 0xf8, 0x0a, 0xed, 0x43, 0x2d, 0xf0, 0x42, 0x59, 0xec, 0x42,
+	0xb3, 0x15, 0x78, 0xa1, 0x28, 0x73, 0x8f, 0xc9, 0x7d, 0x72, 0x93, 0xef, 0xa7, 0xef, 0x5d, 0x40,
+	0x6e, 0xd2, 0xfd, 0x4e, 0x5a, 0x04, 0x43, 0x16, 0x61, 0x6f, 0xbd, 0x08, 0x32, 0x41, 0xa7, 0x1b,
+	0x4e, 0xa3, 0x99, 0x17, 0xce, 0x8b, 0x0a, 0xc8, 0x76, 0x14, 0x5f, 0x55, 0xc7, 0xd2, 0x76, 0x9f,
+	0x43, 0x35, 0x63, 0xdd, 0x1b, 0x20, 0xdf, 0x0f, 0xc4, 0x33, 0xbf, 0xf1, 0xb6, 0xeb, 0xe8, 0x7f,
+	0xb0, 0x7d, 0x7a, 0x39, 0x38, 0x1a, 0x8d, 0xd7, 0x1e, 0x7c, 0xf7, 0x47, 0x68, 0xc8, 0x8c, 0x74,
+	0xf6, 0x5f, 0xaf, 0xff, 0x01, 0x98, 0x53, 0x11, 0x21, 0xbb, 0xd8, 0x3b, 0xf7, 0xbe, 0x26, 0x73,
+	0x50, 0xb4, 0xe3, 0xdd, 0x37, 0xb7, 0xfb, 0xda, 0x6f, 0xb7, 0xfb, 0xda, 0x9f, 0xb7, 0xfb, 0xda,
+	0x0f, 0xa6, 0x60, 0xc7, 0x93, 0x89, 0x29, 0x7f, 0x96, 0x9e, 0xfe, 0x1d, 0x00, 0x00, 0xff, 0xff,
+	0x44, 0xf6, 0x15, 0x1b, 0x5d, 0x09, 0x00, 0x00,
 }
 
-func (m *MetricMetadata) Marshal() (dAtA []byte, err error) {
+func (m *Metadata) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
 	n, err := m.MarshalToSizedBuffer(dAtA[:size])
@@ -1386,12 +1252,12 @@ func (m *MetricMetadata) Marshal() (dAtA []byte, err error) {
 	return dAtA[:n], nil
 }
 
-func (m *MetricMetadata) MarshalTo(dAtA []byte) (int, error) {
+func (m *Metadata) MarshalTo(dAtA []byte) (int, error) {
 	size := m.Size()
 	return m.MarshalToSizedBuffer(dAtA[:size])
 }
 
-func (m *MetricMetadata) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+func (m *Metadata) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	i := len(dAtA)
 	_ = i
 	var l int
@@ -1405,20 +1271,13 @@ func (m *MetricMetadata) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		copy(dAtA[i:], m.Unit)
 		i = encodeVarintTypes(dAtA, i, uint64(len(m.Unit)))
 		i--
-		dAtA[i] = 0x2a
+		dAtA[i] = 0x1a
 	}
 	if len(m.Help) > 0 {
 		i -= len(m.Help)
 		copy(dAtA[i:], m.Help)
 		i = encodeVarintTypes(dAtA, i, uint64(len(m.Help)))
 		i--
-		dAtA[i] = 0x22
-	}
-	if len(m.MetricFamilyName) > 0 {
-		i -= len(m.MetricFamilyName)
-		copy(dAtA[i:], m.MetricFamilyName)
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.MetricFamilyName)))
-		i--
 		dAtA[i] = 0x12
 	}
 	if m.Type != 0 {
@@ -1788,6 +1647,41 @@ func (m *TimeSeries) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if len(m.LabelSymbols) > 0 {
+		dAtA10 := make([]byte, len(m.LabelSymbols)*10)
+		var j9 int
+		for _, num := range m.LabelSymbols {
+			for num >= 1<<7 {
+				dAtA10[j9] = uint8(uint64(num)&0x7f | 0x80)
+				num >>= 7
+				j9++
+			}
+			dAtA10[j9] = uint8(num)
+			j9++
+		}
+		i -= j9
+		copy(dAtA[i:], dAtA10[:j9])
+		i = encodeVarintTypes(dAtA, i, uint64(j9))
+		i--
+		dAtA[i] = 0x52
+	}
+	if m.CreatedTimestamp != 0 {
+		i = encodeVarintTypes(dAtA, i, uint64(m.CreatedTimestamp))
+		i--
+		dAtA[i] = 0x30
+	}
+	if m.Metadata != nil {
+		{
+			size, err := m.Metadata.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintTypes(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x2a
+	}
 	if len(m.Histograms) > 0 {
 		for iNdEx := len(m.Histograms) - 1; iNdEx >= 0; iNdEx-- {
 			{
@@ -1847,171 +1741,6 @@ func (m *TimeSeries) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
-func (m *MinimizedTimeSeries) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *MinimizedTimeSeries) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *MinimizedTimeSeries) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.XXX_unrecognized != nil {
-		i -= len(m.XXX_unrecognized)
-		copy(dAtA[i:], m.XXX_unrecognized)
-	}
-	if len(m.Histograms) > 0 {
-		for iNdEx := len(m.Histograms) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Histograms[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintTypes(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x22
-		}
-	}
-	if len(m.Exemplars) > 0 {
-		for iNdEx := len(m.Exemplars) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Exemplars[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintTypes(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x1a
-		}
-	}
-	if len(m.Samples) > 0 {
-		for iNdEx := len(m.Samples) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Samples[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintTypes(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x12
-		}
-	}
-	if len(m.LabelSymbols) > 0 {
-		dAtA10 := make([]byte, len(m.LabelSymbols)*10)
-		var j9 int
-		for _, num := range m.LabelSymbols {
-			for num >= 1<<7 {
-				dAtA10[j9] = uint8(uint64(num)&0x7f | 0x80)
-				num >>= 7
-				j9++
-			}
-			dAtA10[j9] = uint8(num)
-			j9++
-		}
-		i -= j9
-		copy(dAtA[i:], dAtA10[:j9])
-		i = encodeVarintTypes(dAtA, i, uint64(j9))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *MinimizedTimeSeriesLen) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *MinimizedTimeSeriesLen) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *MinimizedTimeSeriesLen) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.XXX_unrecognized != nil {
-		i -= len(m.XXX_unrecognized)
-		copy(dAtA[i:], m.XXX_unrecognized)
-	}
-	if len(m.Histograms) > 0 {
-		for iNdEx := len(m.Histograms) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Histograms[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintTypes(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x22
-		}
-	}
-	if len(m.Exemplars) > 0 {
-		for iNdEx := len(m.Exemplars) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Exemplars[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintTypes(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x1a
-		}
-	}
-	if len(m.Samples) > 0 {
-		for iNdEx := len(m.Samples) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Samples[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintTypes(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x12
-		}
-	}
-	if len(m.LabelSymbols) > 0 {
-		for iNdEx := len(m.LabelSymbols) - 1; iNdEx >= 0; iNdEx-- {
-			i -= 4
-			encoding_binary.LittleEndian.PutUint32(dAtA[i:], uint32(m.LabelSymbols[iNdEx]))
-		}
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.LabelSymbols)*4))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
 func (m *Label) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -2328,7 +2057,7 @@ func encodeVarintTypes(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	return base
 }
-func (m *MetricMetadata) Size() (n int) {
+func (m *Metadata) Size() (n int) {
 	if m == nil {
 		return 0
 	}
@@ -2337,10 +2066,6 @@ func (m *MetricMetadata) Size() (n int) {
 	if m.Type != 0 {
 		n += 1 + sovTypes(uint64(m.Type))
 	}
-	l = len(m.MetricFamilyName)
-	if l > 0 {
-		n += 1 + l + sovTypes(uint64(l))
-	}
 	l = len(m.Help)
 	if l > 0 {
 		n += 1 + l + sovTypes(uint64(l))
@@ -2546,18 +2271,13 @@ func (m *TimeSeries) Size() (n int) {
 			n += 1 + l + sovTypes(uint64(l))
 		}
 	}
-	if m.XXX_unrecognized != nil {
-		n += len(m.XXX_unrecognized)
+	if m.Metadata != nil {
+		l = m.Metadata.Size()
+		n += 1 + l + sovTypes(uint64(l))
 	}
-	return n
-}
-
-func (m *MinimizedTimeSeries) Size() (n int) {
-	if m == nil {
-		return 0
+	if m.CreatedTimestamp != 0 {
+		n += 1 + sovTypes(uint64(m.CreatedTimestamp))
 	}
-	var l int
-	_ = l
 	if len(m.LabelSymbols) > 0 {
 		l = 0
 		for _, e := range m.LabelSymbols {
@@ -2565,57 +2285,6 @@ func (m *MinimizedTimeSeries) Size() (n int) {
 		}
 		n += 1 + sovTypes(uint64(l)) + l
 	}
-	if len(m.Samples) > 0 {
-		for _, e := range m.Samples {
-			l = e.Size()
-			n += 1 + l + sovTypes(uint64(l))
-		}
-	}
-	if len(m.Exemplars) > 0 {
-		for _, e := range m.Exemplars {
-			l = e.Size()
-			n += 1 + l + sovTypes(uint64(l))
-		}
-	}
-	if len(m.Histograms) > 0 {
-		for _, e := range m.Histograms {
-			l = e.Size()
-			n += 1 + l + sovTypes(uint64(l))
-		}
-	}
-	if m.XXX_unrecognized != nil {
-		n += len(m.XXX_unrecognized)
-	}
-	return n
-}
-
-func (m *MinimizedTimeSeriesLen) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	if len(m.LabelSymbols) > 0 {
-		n += 1 + sovTypes(uint64(len(m.LabelSymbols)*4)) + len(m.LabelSymbols)*4
-	}
-	if len(m.Samples) > 0 {
-		for _, e := range m.Samples {
-			l = e.Size()
-			n += 1 + l + sovTypes(uint64(l))
-		}
-	}
-	if len(m.Exemplars) > 0 {
-		for _, e := range m.Exemplars {
-			l = e.Size()
-			n += 1 + l + sovTypes(uint64(l))
-		}
-	}
-	if len(m.Histograms) > 0 {
-		for _, e := range m.Histograms {
-			l = e.Size()
-			n += 1 + l + sovTypes(uint64(l))
-		}
-	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -2775,7 +2444,7 @@ func sovTypes(x uint64) (n int) {
 func sozTypes(x uint64) (n int) {
 	return sovTypes(uint64((x << 1) ^ uint64((int64(x) >> 63))))
 }
-func (m *MetricMetadata) Unmarshal(dAtA []byte) error {
+func (m *Metadata) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
 	for iNdEx < l {
@@ -2798,10 +2467,10 @@ func (m *MetricMetadata) Unmarshal(dAtA []byte) error {
 		fieldNum := int32(wire >> 3)
 		wireType := int(wire & 0x7)
 		if wireType == 4 {
-			return fmt.Errorf("proto: MetricMetadata: wiretype end group for non-group")
+			return fmt.Errorf("proto: Metadata: wiretype end group for non-group")
 		}
 		if fieldNum <= 0 {
-			return fmt.Errorf("proto: MetricMetadata: illegal tag %d (wire type %d)", fieldNum, wire)
+			return fmt.Errorf("proto: Metadata: illegal tag %d (wire type %d)", fieldNum, wire)
 		}
 		switch fieldNum {
 		case 1:
@@ -2818,44 +2487,12 @@ func (m *MetricMetadata) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				m.Type |= MetricMetadata_MetricType(b&0x7F) << shift
+				m.Type |= Metadata_MetricType(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
 		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field MetricFamilyName", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.MetricFamilyName = string(dAtA[iNdEx:postIndex])
-			iNdEx = postIndex
-		case 4:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Help", wireType)
 			}
@@ -2887,7 +2524,7 @@ func (m *MetricMetadata) Unmarshal(dAtA []byte) error {
 			}
 			m.Help = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 5:
+		case 3:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Unit", wireType)
 			}
@@ -3919,58 +3556,62 @@ func (m *TimeSeries) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipTypes(dAtA[iNdEx:])
-			if err != nil {
-				return err
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Metadata", wireType)
 			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
 				return ErrInvalidLengthTypes
 			}
-			if (iNdEx + skippy) > l {
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *MinimizedTimeSeries) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowTypes
+			if m.Metadata == nil {
+				m.Metadata = &Metadata{}
 			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
+			if err := m.Metadata.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
 			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
+			iNdEx = postIndex
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CreatedTimestamp", wireType)
 			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: MinimizedTimeSeries: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: MinimizedTimeSeries: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
+			m.CreatedTimestamp = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.CreatedTimestamp |= int64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 10:
 			if wireType == 0 {
 				var v uint32
 				for shift := uint(0); ; shift += 7 {
@@ -4046,313 +3687,6 @@ func (m *MinimizedTimeSeries) Unmarshal(dAtA []byte) error {
 			} else {
 				return fmt.Errorf("proto: wrong wireType = %d for field LabelSymbols", wireType)
 			}
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Samples", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Samples = append(m.Samples, Sample{})
-			if err := m.Samples[len(m.Samples)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 3:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Exemplars", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Exemplars = append(m.Exemplars, Exemplar{})
-			if err := m.Exemplars[len(m.Exemplars)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 4:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Histograms", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Histograms = append(m.Histograms, Histogram{})
-			if err := m.Histograms[len(m.Histograms)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipTypes(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *MinimizedTimeSeriesLen) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowTypes
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: MinimizedTimeSeriesLen: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: MinimizedTimeSeriesLen: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType == 5 {
-				var v uint32
-				if (iNdEx + 4) > l {
-					return io.ErrUnexpectedEOF
-				}
-				v = uint32(encoding_binary.LittleEndian.Uint32(dAtA[iNdEx:]))
-				iNdEx += 4
-				m.LabelSymbols = append(m.LabelSymbols, v)
-			} else if wireType == 2 {
-				var packedLen int
-				for shift := uint(0); ; shift += 7 {
-					if shift >= 64 {
-						return ErrIntOverflowTypes
-					}
-					if iNdEx >= l {
-						return io.ErrUnexpectedEOF
-					}
-					b := dAtA[iNdEx]
-					iNdEx++
-					packedLen |= int(b&0x7F) << shift
-					if b < 0x80 {
-						break
-					}
-				}
-				if packedLen < 0 {
-					return ErrInvalidLengthTypes
-				}
-				postIndex := iNdEx + packedLen
-				if postIndex < 0 {
-					return ErrInvalidLengthTypes
-				}
-				if postIndex > l {
-					return io.ErrUnexpectedEOF
-				}
-				var elementCount int
-				elementCount = packedLen / 4
-				if elementCount != 0 && len(m.LabelSymbols) == 0 {
-					m.LabelSymbols = make([]uint32, 0, elementCount)
-				}
-				for iNdEx < postIndex {
-					var v uint32
-					if (iNdEx + 4) > l {
-						return io.ErrUnexpectedEOF
-					}
-					v = uint32(encoding_binary.LittleEndian.Uint32(dAtA[iNdEx:]))
-					iNdEx += 4
-					m.LabelSymbols = append(m.LabelSymbols, v)
-				}
-			} else {
-				return fmt.Errorf("proto: wrong wireType = %d for field LabelSymbols", wireType)
-			}
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Samples", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Samples = append(m.Samples, Sample{})
-			if err := m.Samples[len(m.Samples)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 3:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Exemplars", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Exemplars = append(m.Exemplars, Exemplar{})
-			if err := m.Exemplars[len(m.Exemplars)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 4:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Histograms", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Histograms = append(m.Histograms, Histogram{})
-			if err := m.Histograms[len(m.Histograms)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(dAtA[iNdEx:])
diff --git a/prompb/types.proto b/prompb/types.proto
index 5cc053630c..eb2a897030 100644
--- a/prompb/types.proto
+++ b/prompb/types.proto
@@ -18,7 +18,7 @@ option go_package = "prompb";
 
 import "gogoproto/gogo.proto";
 
-message MetricMetadata {
+message Metadata {
   enum MetricType {
     UNKNOWN        = 0;
     COUNTER        = 1;
@@ -33,9 +33,8 @@ message MetricMetadata {
   // Represents the metric type, these match the set from Prometheus.
   // Refer to model/textparse/interface.go for details.
   MetricType type = 1;
-  string metric_family_name = 2;
-  string help = 4;
-  string unit = 5;
+  string help = 2; // TODO(bwplotka): Move to symbols?
+  string unit = 3; // TODO(bwplotka): Move to symbols?
 }
 
 message Sample {
@@ -47,14 +46,13 @@ message Sample {
 
 message Exemplar {
   // Optional, can be empty.
-  repeated Label labels = 1 [(gogoproto.nullable) = false];
+  repeated Label labels = 1 [(gogoproto.nullable) = false]; // TODO(bwplotka): Move to symbols?
   double value = 2;
   // timestamp is in ms format, see model/timestamp/timestamp.go for
   // conversion from time.Time to Prometheus timestamp.
   int64 timestamp = 3;
 }
 
-
 // A native histogram, also known as a sparse histogram.
 // Original design doc:
 // https://docs.google.com/document/d/1cLNv3aufPZb3fNfaJgdaRBZsInZKKIHo9E6HinJVbpM/edit
@@ -123,40 +121,26 @@ message BucketSpan {
 // TimeSeries represents samples and labels for a single time series.
 message TimeSeries {
   // For a timeseries to be valid, and for the samples and exemplars
-  // to be ingested by the remote system properly, the labels field is required.
-  repeated Label labels         = 1 [(gogoproto.nullable) = false];
-  repeated Sample samples       = 2 [(gogoproto.nullable) = false];
-  repeated Exemplar exemplars   = 3 [(gogoproto.nullable) = false];
-  repeated Histogram histograms = 4 [(gogoproto.nullable) = false];
-}
+  // to be ingested by the remote system properly, the labels or label symbols field is required.
+
+  // Deprecated in 1.1, use interned label symbols instead.
+  repeated Label labels = 1 [(gogoproto.nullable) = false];
 
-// based on an experiment by marco
-message MinimizedTimeSeries {
   // Sorted list of label name-value pair references. This list's len is always multiple of 4,
   // packing tuples of (label name offset, label name length, label value offset, label value length).
-  // Offsets point to the symbol table in the higher level MinimizedWriteRequestLen.
-  repeated uint32 label_symbols = 1 [(gogoproto.nullable) = false];
+  // Offsets point to the WriteRequest.symbols.
+  repeated uint32 label_symbols = 10;
 
   // Sorted by time, oldest sample first.
-  // TODO: support references for other types
   repeated Sample samples = 2 [(gogoproto.nullable) = false];
   repeated Exemplar exemplars = 3 [(gogoproto.nullable) = false];
   repeated Histogram histograms = 4 [(gogoproto.nullable) = false];
-  // TODO: add metadata
-}
-
-message MinimizedTimeSeriesLen {
-  // Sorted list of label name-value pair references, encoded as 32bit uint. This
-  // list's real len is always multiple of 2, label name offset/label value offset.
-  // Offsets point to the symbol table in the higher level MinimizedWriteRequestLen.
-  repeated fixed32 label_symbols = 1;
-
-  // Sorted by time, oldest sample first.
-  // TODO: support references for other types
-  repeated Sample samples = 2 [(gogoproto.nullable) = false];
-  repeated Exemplar exemplars = 3 [(gogoproto.nullable) = false];
-  repeated Histogram histograms = 4 [(gogoproto.nullable) = false];
-  // TODO: add metadata
+  Metadata metadata = 5;
+  // Optional created timestamp for the metric in ms format,
+  // if the first sample in samples does not contain 0 value.
+  // See model/timestamp/timestamp.go for conversion from time.Time
+  // to Prometheus timestamp.
+  int64 created_timestamp = 6;
 }
 
 message Label {
diff --git a/scripts/genproto.sh b/scripts/genproto.sh
index a21a53fa2f..86e89577f3 100755
--- a/scripts/genproto.sh
+++ b/scripts/genproto.sh
@@ -43,11 +43,11 @@ for dir in ${DIRS}; do
 		protoc --gogofast_out=Mgoogle/protobuf/timestamp.proto=github.com/gogo/protobuf/types,paths=source_relative:. -I=. \
             -I="${GOGOPROTO_PATH}" \
             ./io/prometheus/client/*.proto
-		sed -i.bak -E 's/import _ \"github.com\/gogo\/protobuf\/gogoproto\"//g' -- *.pb.go
-		sed -i.bak -E 's/import _ \"google\/protobuf\"//g' -- *.pb.go
-		sed -i.bak -E 's/\t_ \"google\/protobuf\"//g' -- *.pb.go
-		sed -i.bak -E 's/golang\/protobuf\/descriptor/gogo\/protobuf\/protoc-gen-gogo\/descriptor/g' -- *.go
-		sed -i.bak -E 's/golang\/protobuf/gogo\/protobuf/g' -- *.go
+		gsed -i.bak -E 's/import _ \"github.com\/gogo\/protobuf\/gogoproto\"//g' -- *.pb.go
+		gsed -i.bak -E 's/import _ \"google\/protobuf\"//g' -- *.pb.go
+		gsed -i.bak -E 's/\t_ \"google\/protobuf\"//g' -- *.pb.go
+		gsed -i.bak -E 's/golang\/protobuf\/descriptor/gogo\/protobuf\/protoc-gen-gogo\/descriptor/g' -- *.go
+		gsed -i.bak -E 's/golang\/protobuf/gogo\/protobuf/g' -- *.go
 		rm -f -- *.bak
 		goimports -w ./*.go ./io/prometheus/client/*.go
 	popd
diff --git a/storage/remote/codec.go b/storage/remote/codec.go
index 80afcdd368..cabd634692 100644
--- a/storage/remote/codec.go
+++ b/storage/remote/codec.go
@@ -15,7 +15,6 @@ package remote
 
 import (
 	"compress/gzip"
-	"encoding/binary"
 	"errors"
 	"fmt"
 	"io"
@@ -24,7 +23,6 @@ import (
 	"sort"
 	"strings"
 	"sync"
-	"unsafe"
 
 	"github.com/gogo/protobuf/proto"
 	"github.com/golang/snappy"
@@ -787,44 +785,17 @@ func labelsToUint32Slice(lbls labels.Labels, symbolTable *rwSymbolTable, buf []u
 	return result
 }
 
-func labelsToUint32SliceLen(lbls labels.Labels, symbolTable *rwSymbolTable, buf []uint32) []uint32 {
+func labelsToUint32Slice2(lbls labels.Labels, symbolTable *rwSymbolTable, buf []uint32) []uint32 {
 	result := buf[:0]
 	lbls.Range(func(l labels.Label) {
-		off := symbolTable.RefLen(l.Name)
+		off := symbolTable.Ref2(l.Name)
 		result = append(result, off)
-		off = symbolTable.RefLen(l.Value)
+		off = symbolTable.Ref2(l.Value)
 		result = append(result, off)
 	})
 	return result
 }
 
-func Uint32LenRefToLabels(symbols []byte, minLabels []uint32) labels.Labels {
-	ls := labels.NewScratchBuilder(len(minLabels) / 2)
-
-	labelIdx := 0
-	for labelIdx < len(minLabels) {
-		// todo, check for overflow?
-		offset := minLabels[labelIdx]
-		labelIdx++
-		length, n := binary.Uvarint(symbols[offset:])
-		offset += uint32(n)
-		name := symbols[offset : uint64(offset)+length]
-
-		offset = minLabels[labelIdx]
-		labelIdx++
-		length, n = binary.Uvarint(symbols[offset:])
-		offset += uint32(n)
-		value := symbols[offset : uint64(offset)+length]
-		ls.Add(yoloString(name), yoloString(value))
-	}
-
-	return ls.Labels()
-}
-
-func yoloString(b []byte) string {
-	return *(*string)(unsafe.Pointer(&b))
-}
-
 func Uint32RefToLabels(symbols string, minLabels []uint32) labels.Labels {
 	ls := labels.NewScratchBuilder(len(minLabels) / 2)
 
@@ -848,15 +819,32 @@ func Uint32RefToLabels(symbols string, minLabels []uint32) labels.Labels {
 	return ls.Labels()
 }
 
-// metricTypeToMetricTypeProto transforms a Prometheus metricType into prompb metricType. Since the former is a string we need to transform it to an enum.
-func metricTypeToMetricTypeProto(t textparse.MetricType) prompb.MetricMetadata_MetricType {
-	mt := strings.ToUpper(string(t))
-	v, ok := prompb.MetricMetadata_MetricType_value[mt]
-	if !ok {
-		return prompb.MetricMetadata_UNKNOWN
+func Uint32RefToLabels2(symbols []string, minLabels []uint32) labels.Labels {
+	ls := labels.NewScratchBuilder(len(minLabels))
+
+	labelIdx := 0
+	for labelIdx < len(minLabels) {
+		// todo, check for overflow?
+		name := symbols[labelIdx]
+		labelIdx++
+		// todo, check for overflow?
+		value := symbols[labelIdx]
+		labelIdx++
+		ls.Add(name, value)
 	}
 
-	return prompb.MetricMetadata_MetricType(v)
+	return ls.Labels()
+}
+
+// metricTypeToMetricTypeProto transforms a Prometheus metricType into prompb metricType. Since the former is a string we need to transform it to an enum.
+func metricTypeToMetricTypeProto(t textparse.MetricType) prompb.Metadata_MetricType {
+	mt := strings.ToUpper(string(t))
+	v, ok := prompb.Metadata_MetricType_value[mt]
+	if !ok {
+		return prompb.Metadata_UNKNOWN
+	}
+
+	return prompb.Metadata_MetricType(v)
 }
 
 // DecodeWriteRequest from an io.Reader into a prompb.WriteRequest, handling
@@ -933,71 +921,30 @@ func DecodeOTLPWriteRequest(r *http.Request) (pmetricotlp.ExportRequest, error)
 	return otlpReq, nil
 }
 
-// DecodeMinimizedWriteRequest from an io.Reader into a prompb.WriteRequest, handling
-// snappy decompression.
-func DecodeMinimizedWriteRequest(r io.Reader) (*prompb.MinimizedWriteRequest, error) {
-	compressed, err := io.ReadAll(r)
-	if err != nil {
-		return nil, err
-	}
-
-	reqBuf, err := snappy.Decode(nil, compressed)
-	if err != nil {
-		return nil, err
-	}
-
-	var req prompb.MinimizedWriteRequest
-	if err := proto.Unmarshal(reqBuf, &req); err != nil {
-		return nil, err
-	}
-
-	return &req, nil
-}
-
-func DecodeMinimizedWriteRequestLen(r io.Reader) (*prompb.MinimizedWriteRequestLen, error) {
-	compressed, err := io.ReadAll(r)
-	if err != nil {
-		return nil, err
-	}
-
-	reqBuf, err := snappy.Decode(nil, compressed)
-	if err != nil {
-		return nil, err
-	}
-
-	var req prompb.MinimizedWriteRequestLen
-	if err := proto.Unmarshal(reqBuf, &req); err != nil {
-		return nil, err
-	}
-
-	return &req, nil
-}
-
-func MinimizedWriteRequestToWriteRequest(redReq *prompb.MinimizedWriteRequest) (*prompb.WriteRequest, error) {
-	req := &prompb.WriteRequest{
-		Timeseries: make([]prompb.TimeSeries, len(redReq.Timeseries)),
-		// TODO handle metadata?
-	}
-
-	for i, rts := range redReq.Timeseries {
-		Uint32RefToLabels(redReq.Symbols, rts.LabelSymbols).Range(func(l labels.Label) {
-			req.Timeseries[i].Labels = append(req.Timeseries[i].Labels, prompb.Label{
-				Name:  l.Name,
-				Value: l.Value,
+// SymbolizeLabels symbolizes all fields that use label symbols as labels (in place).
+func SymbolizeLabels(req *prompb.WriteRequest) (*prompb.WriteRequest, error) {
+	if len(req.GetSymbols()) > 0 {
+		for i, s := range req.Timeseries {
+			Uint32RefToLabels(req.Symbols, s.LabelSymbols).Range(func(l labels.Label) {
+				req.Timeseries[i].Labels = append(req.Timeseries[i].Labels, prompb.Label{
+					Name:  l.Name,
+					Value: l.Value,
+				})
 			})
-		})
-
-		exemplars := make([]prompb.Exemplar, len(rts.Exemplars))
-		for j, e := range rts.Exemplars {
-			exemplars[j].Value = e.Value
-			exemplars[j].Timestamp = e.Timestamp
-			exemplars[j].Labels = e.Labels
 		}
-
-		req.Timeseries[i].Samples = rts.Samples
-		req.Timeseries[i].Exemplars = exemplars
-		req.Timeseries[i].Histograms = rts.Histograms
-
+		return req, nil
 	}
-	return req, nil
+	if len(req.GetSymbols2()) > 0 {
+		for i, s := range req.Timeseries {
+			Uint32RefToLabels2(req.Symbols2, s.LabelSymbols).Range(func(l labels.Label) {
+				req.Timeseries[i].Labels = append(req.Timeseries[i].Labels, prompb.Label{
+					Name:  l.Name,
+					Value: l.Value,
+				})
+			})
+		}
+		return req, nil
+	}
+
+	return nil, errors.New("no symbols detected")
 }
diff --git a/storage/remote/codec_test.go b/storage/remote/codec_test.go
index f63a153bf8..5185310f9b 100644
--- a/storage/remote/codec_test.go
+++ b/storage/remote/codec_test.go
@@ -75,7 +75,7 @@ var writeRequestFixture = &prompb.WriteRequest{
 }
 
 // writeRequestMinimizedFixture represents the same request as writeRequestFixture, but using the minimized representation.
-var writeRequestMinimizedFixture = func() *prompb.MinimizedWriteRequest {
+var writeRequestMinimizedFixture = func() *prompb.WriteRequest {
 	st := newRwSymbolTable()
 	var labels []uint32
 	for _, s := range []string{
@@ -88,8 +88,41 @@ var writeRequestMinimizedFixture = func() *prompb.MinimizedWriteRequest {
 		off, length := st.Ref(s)
 		labels = append(labels, off, length)
 	}
-	return &prompb.MinimizedWriteRequest{
-		Timeseries: []prompb.MinimizedTimeSeries{
+	return &prompb.WriteRequest{
+		Timeseries: []prompb.TimeSeries{
+			{
+				LabelSymbols: labels,
+				Samples:      []prompb.Sample{{Value: 1, Timestamp: 0}},
+				Exemplars:    []prompb.Exemplar{{Labels: []prompb.Label{{Name: "f", Value: "g"}}, Value: 1, Timestamp: 0}},
+				Histograms:   []prompb.Histogram{HistogramToHistogramProto(0, &testHistogram), FloatHistogramToHistogramProto(1, testHistogram.ToFloat())},
+			},
+			{
+				LabelSymbols: labels,
+				Samples:      []prompb.Sample{{Value: 2, Timestamp: 1}},
+				Exemplars:    []prompb.Exemplar{{Labels: []prompb.Label{{Name: "h", Value: "i"}}, Value: 2, Timestamp: 1}},
+				Histograms:   []prompb.Histogram{HistogramToHistogramProto(2, &testHistogram), FloatHistogramToHistogramProto(3, testHistogram.ToFloat())},
+			},
+		},
+		Symbols: st.LabelsString(),
+	}
+}()
+
+// writeRequestMinimizedFixture2 represents the same request as writeRequestFixture, but using the minimized representation and array symbol.
+var writeRequestMinimizedFixture2 = func() *prompb.WriteRequest {
+	st := newRwSymbolTable()
+	var labels []uint32
+	for _, s := range []string{
+		"__name__", "test_metric1",
+		"b", "c",
+		"baz", "qux",
+		"d", "e",
+		"foo", "bar",
+	} {
+		off, _ := st.Ref(s)
+		labels = append(labels, off)
+	}
+	return &prompb.WriteRequest{
+		Timeseries: []prompb.TimeSeries{
 			{
 				LabelSymbols: labels,
 				Samples:      []prompb.Sample{{Value: 1, Timestamp: 0}},
@@ -522,22 +555,22 @@ func TestMetricTypeToMetricTypeProto(t *testing.T) {
 	tc := []struct {
 		desc     string
 		input    textparse.MetricType
-		expected prompb.MetricMetadata_MetricType
+		expected prompb.Metadata_MetricType
 	}{
 		{
 			desc:     "with a single-word metric",
 			input:    textparse.MetricTypeCounter,
-			expected: prompb.MetricMetadata_COUNTER,
+			expected: prompb.Metadata_COUNTER,
 		},
 		{
 			desc:     "with a two-word metric",
 			input:    textparse.MetricTypeStateset,
-			expected: prompb.MetricMetadata_STATESET,
+			expected: prompb.Metadata_STATESET,
 		},
 		{
 			desc:     "with an unknown metric",
 			input:    "not-known",
-			expected: prompb.MetricMetadata_UNKNOWN,
+			expected: prompb.Metadata_UNKNOWN,
 		},
 	}
 
@@ -550,7 +583,7 @@ func TestMetricTypeToMetricTypeProto(t *testing.T) {
 }
 
 func TestDecodeWriteRequest(t *testing.T) {
-	buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil, nil)
+	buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil)
 	require.NoError(t, err)
 
 	actual, err := DecodeWriteRequest(bytes.NewReader(buf))
@@ -563,7 +596,17 @@ func TestDecodeMinWriteRequest(t *testing.T) {
 
 	require.NoError(t, err)
 
-	actual, err := DecodeMinimizedWriteRequest(bytes.NewReader(buf))
+	actual, err := DecodeWriteRequest(bytes.NewReader(buf))
+	require.NoError(t, err)
+	require.Equal(t, writeRequestMinimizedFixture, actual)
+}
+
+func TestDecodeMinWriteRequest2(t *testing.T) {
+	buf, _, err := buildMinimizedWriteRequest(writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil)
+
+	require.NoError(t, err)
+
+	actual, err := DecodeWriteRequest(bytes.NewReader(buf))
 	require.NoError(t, err)
 	require.Equal(t, writeRequestMinimizedFixture, actual)
 }
@@ -887,10 +930,18 @@ func (c *mockChunkIterator) Err() error {
 	return nil
 }
 
-func TestLenFormat(t *testing.T) {
-	r := rwSymbolTable{}
+func TestFormat1(t *testing.T) {
+	r := newRwSymbolTable()
 	ls := labels.FromStrings("asdf", "qwer", "zxcv", "1234")
-	encoded := labelsToUint32SliceLen(ls, &r, nil)
-	decoded := Uint32LenRefToLabels(r.LabelsData(), encoded)
+	encoded := labelsToUint32Slice(ls, &r, nil)
+	decoded := Uint32RefToLabels(r.LabelsString(), encoded)
+	require.Equal(t, ls, decoded)
+}
+
+func TestFormat2(t *testing.T) {
+	r := newRwSymbolTable()
+	ls := labels.FromStrings("asdf", "qwer", "zxcv", "1234")
+	encoded := labelsToUint32Slice2(ls, &r, nil)
+	decoded := Uint32RefToLabels2(r.LabelsStrings(), encoded)
 	require.Equal(t, ls, decoded)
 }
diff --git a/storage/remote/queue_manager.go b/storage/remote/queue_manager.go
index 850344cc93..5ab354962f 100644
--- a/storage/remote/queue_manager.go
+++ b/storage/remote/queue_manager.go
@@ -15,7 +15,6 @@ package remote
 
 import (
 	"context"
-	"encoding/binary"
 	"errors"
 	"math"
 	"strconv"
@@ -393,9 +392,9 @@ type WriteClient interface {
 type RemoteWriteFormat int64
 
 const (
-	Base1          RemoteWriteFormat = iota // original map based format
-	Min32Optimized                          // two 32bit varint plus marshalling optimization
-	MinLen                                  // symbols are now just offsets, and we encode lengths as varints in the large symbols string (which is also now a byte slice)
+	Base1               RemoteWriteFormat = iota // original map based format
+	Min32Optimized                               // two 32bit varint plus marshalling optimization
+	Min32OptimizedArray                          // 1 32bit varint with array plus marshalling optimization
 )
 
 // QueueManager manages a queue of samples to be sent to the Storage
@@ -517,13 +516,13 @@ func NewQueueManager(
 
 // AppendMetadata sends metadata to the remote storage. Metadata is sent in batches, but is not parallelized.
 func (t *QueueManager) AppendMetadata(ctx context.Context, metadata []scrape.MetricMetadata) {
-	mm := make([]prompb.MetricMetadata, 0, len(metadata))
+	mm := make([]prompb.Metadata, 0, len(metadata))
 	for _, entry := range metadata {
-		mm = append(mm, prompb.MetricMetadata{
-			MetricFamilyName: entry.Metric,
-			Help:             entry.Help,
-			Type:             metricTypeToMetricTypeProto(entry.Type),
-			Unit:             entry.Unit,
+		mm = append(mm, prompb.Metadata{
+			//MetricFamilyName: entry.Metric,
+			Help: entry.Help,
+			Type: metricTypeToMetricTypeProto(entry.Type),
+			Unit: entry.Unit,
 		})
 	}
 
@@ -542,9 +541,10 @@ func (t *QueueManager) AppendMetadata(ctx context.Context, metadata []scrape.Met
 	}
 }
 
-func (t *QueueManager) sendMetadataWithBackoff(ctx context.Context, metadata []prompb.MetricMetadata, pBuf *proto.Buffer) error {
+func (t *QueueManager) sendMetadataWithBackoff(ctx context.Context, metadata []prompb.Metadata, pBuf *proto.Buffer) error {
 	// Build the WriteRequest with no samples.
-	req, _, err := buildWriteRequest(nil, metadata, pBuf, nil)
+	// TODO(bwplotka): Metadata support.
+	req, _, err := buildWriteRequest(nil, pBuf, nil)
 	if err != nil {
 		return err
 	}
@@ -1371,7 +1371,6 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
 		max += int(float64(max) * 0.1)
 	}
 
-	// TODO we should make an interface for the timeseries type
 	batchQueue := queue.Chan()
 	pendingData := make([]prompb.TimeSeries, max)
 	for i := range pendingData {
@@ -1381,16 +1380,6 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
 		}
 	}
 
-	pendingMinimizedData := make([]prompb.MinimizedTimeSeries, max)
-	for i := range pendingMinimizedData {
-		pendingMinimizedData[i].Samples = []prompb.Sample{{}}
-	}
-
-	pendingMinLenData := make([]prompb.MinimizedTimeSeriesLen, max)
-	for i := range pendingMinLenData {
-		pendingMinLenData[i].Samples = []prompb.Sample{{}}
-	}
-
 	timer := time.NewTimer(time.Duration(s.qm.cfg.BatchSendDeadline))
 	stop := func() {
 		if !timer.Stop() {
@@ -1431,14 +1420,14 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
 				n := nPendingSamples + nPendingExemplars + nPendingHistograms
 				s.sendSamples(ctx, pendingData[:n], nPendingSamples, nPendingExemplars, nPendingHistograms, pBuf, &buf)
 			case Min32Optimized:
-				nPendingSamples, nPendingExemplars, nPendingHistograms := populateMinimizedTimeSeries(&symbolTable, batch, pendingMinimizedData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
+				nPendingSamples, nPendingExemplars, nPendingHistograms := populateMinimizedTimeSeries(&symbolTable, batch, pendingData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
 				n := nPendingSamples + nPendingExemplars + nPendingHistograms
-				s.sendMinSamples(ctx, pendingMinimizedData[:n], symbolTable.LabelsString(), nPendingSamples, nPendingExemplars, nPendingHistograms, &pBufRaw, &buf)
+				s.sendMinSamples(ctx, pendingData[:n], symbolTable.LabelsString(), nPendingSamples, nPendingExemplars, nPendingHistograms, &pBufRaw, &buf)
 				symbolTable.clear()
-			case MinLen:
-				nPendingSamples, nPendingExemplars, nPendingHistograms := populateMinimizedTimeSeriesLen(&symbolTable, batch, pendingMinLenData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
+			case Min32OptimizedArray:
+				nPendingSamples, nPendingExemplars, nPendingHistograms := populateMinimizedTimeSeries2(&symbolTable, batch, pendingData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
 				n := nPendingSamples + nPendingExemplars + nPendingHistograms
-				s.sendMinLenSamples(ctx, pendingMinLenData[:n], symbolTable.LabelsData(), nPendingSamples, nPendingExemplars, nPendingHistograms, pBuf, &buf)
+				s.sendMinSamples2(ctx, pendingData[:n], symbolTable.LabelsStrings(), nPendingSamples, nPendingExemplars, nPendingHistograms, &pBufRaw, &buf)
 				symbolTable.clear()
 			}
 
@@ -1458,11 +1447,11 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
 					level.Debug(s.qm.logger).Log("msg", "runShard timer ticked, sending buffered data", "samples", nPendingSamples,
 						"exemplars", nPendingExemplars, "shard", shardNum, "histograms", nPendingHistograms)
 				case Min32Optimized:
-					nPendingSamples, nPendingExemplars, nPendingHistograms := populateMinimizedTimeSeries(&symbolTable, batch, pendingMinimizedData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
+					nPendingSamples, nPendingExemplars, nPendingHistograms := populateMinimizedTimeSeries(&symbolTable, batch, pendingData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
 					n := nPendingSamples + nPendingExemplars + nPendingHistograms
 					level.Debug(s.qm.logger).Log("msg", "runShard timer ticked, sending buffered data", "samples", nPendingSamples,
 						"exemplars", nPendingExemplars, "shard", shardNum, "histograms", nPendingHistograms)
-					s.sendMinSamples(ctx, pendingMinimizedData[:n], symbolTable.LabelsString(), nPendingSamples, nPendingExemplars, nPendingHistograms, &pBufRaw, &buf)
+					s.sendMinSamples(ctx, pendingData[:n], symbolTable.LabelsString(), nPendingSamples, nPendingExemplars, nPendingHistograms, &pBufRaw, &buf)
 					symbolTable.clear()
 				}
 			}
@@ -1517,14 +1506,14 @@ func (s *shards) sendSamples(ctx context.Context, samples []prompb.TimeSeries, s
 	// Build the WriteRequest with no metadata.
 	// Failing to build the write request is non-recoverable, since it will
 	// only error if marshaling the proto to bytes fails.
-	req, highest, err := buildWriteRequest(samples, nil, pBuf, buf)
+	req, highest, err := buildWriteRequest(samples, pBuf, buf)
 	if err == nil {
 		err = s.sendSamplesWithBackoff(ctx, req, sampleCount, exemplarCount, histogramCount, highest)
 	}
 	s.updateMetrics(ctx, err, sampleCount, exemplarCount, histogramCount, time.Since(begin))
 }
 
-func (s *shards) sendMinSamples(ctx context.Context, samples []prompb.MinimizedTimeSeries, labels string, sampleCount, exemplarCount, histogramCount int, pBuf, buf *[]byte) {
+func (s *shards) sendMinSamples(ctx context.Context, samples []prompb.TimeSeries, labels string, sampleCount, exemplarCount, histogramCount int, pBuf, buf *[]byte) {
 	begin := time.Now()
 	// Build the ReducedWriteRequest with no metadata.
 	// Failing to build the write request is non-recoverable, since it will
@@ -1536,12 +1525,12 @@ func (s *shards) sendMinSamples(ctx context.Context, samples []prompb.MinimizedT
 	s.updateMetrics(ctx, err, sampleCount, exemplarCount, histogramCount, time.Since(begin))
 }
 
-func (s *shards) sendMinLenSamples(ctx context.Context, samples []prompb.MinimizedTimeSeriesLen, labels []byte, sampleCount, exemplarCount, histogramCount int, pBuf *proto.Buffer, buf *[]byte) {
+func (s *shards) sendMinSamples2(ctx context.Context, samples []prompb.TimeSeries, labels []string, sampleCount, exemplarCount, histogramCount int, pBuf, buf *[]byte) {
 	begin := time.Now()
 	// Build the ReducedWriteRequest with no metadata.
 	// Failing to build the write request is non-recoverable, since it will
 	// only error if marshaling the proto to bytes fails.
-	req, highest, err := buildMinimizedWriteRequestLen(samples, labels, pBuf, buf)
+	req, highest, err := buildMinimizedWriteRequest2(samples, labels, pBuf, buf)
 	if err == nil {
 		err = s.sendSamplesWithBackoff(ctx, req, sampleCount, exemplarCount, histogramCount, highest)
 	}
@@ -1630,7 +1619,7 @@ func (s *shards) sendSamplesWithBackoff(ctx context.Context, rawReq []byte, samp
 	return err
 }
 
-func populateMinimizedTimeSeries(symbolTable *rwSymbolTable, batch []timeSeries, pendingData []prompb.MinimizedTimeSeries, sendExemplars, sendNativeHistograms bool) (int, int, int) {
+func populateMinimizedTimeSeries(symbolTable *rwSymbolTable, batch []timeSeries, pendingData []prompb.TimeSeries, sendExemplars, sendNativeHistograms bool) (int, int, int) {
 	var nPendingSamples, nPendingExemplars, nPendingHistograms int
 	for nPending, d := range batch {
 		pendingData[nPending].Samples = pendingData[nPending].Samples[:0]
@@ -1672,7 +1661,7 @@ func populateMinimizedTimeSeries(symbolTable *rwSymbolTable, batch []timeSeries,
 	return nPendingSamples, nPendingExemplars, nPendingHistograms
 }
 
-func populateMinimizedTimeSeriesLen(symbolTable *rwSymbolTable, batch []timeSeries, pendingData []prompb.MinimizedTimeSeriesLen, sendExemplars, sendNativeHistograms bool) (int, int, int) {
+func populateMinimizedTimeSeries2(symbolTable *rwSymbolTable, batch []timeSeries, pendingData []prompb.TimeSeries, sendExemplars, sendNativeHistograms bool) (int, int, int) {
 	var nPendingSamples, nPendingExemplars, nPendingHistograms int
 	for nPending, d := range batch {
 		pendingData[nPending].Samples = pendingData[nPending].Samples[:0]
@@ -1688,7 +1677,7 @@ func populateMinimizedTimeSeriesLen(symbolTable *rwSymbolTable, batch []timeSeri
 		// stop reading from the queue. This makes it safe to reference pendingSamples by index.
 		// pendingData[nPending].Labels = labelsToLabelsProto(d.seriesLabels, pendingData[nPending].Labels)
 
-		pendingData[nPending].LabelSymbols = labelsToUint32SliceLen(d.seriesLabels, symbolTable, pendingData[nPending].LabelSymbols)
+		pendingData[nPending].LabelSymbols = labelsToUint32Slice2(d.seriesLabels, symbolTable, pendingData[nPending].LabelSymbols)
 		switch d.sType {
 		case tSample:
 			pendingData[nPending].Samples = append(pendingData[nPending].Samples, prompb.Sample{
@@ -1760,7 +1749,7 @@ func sendWriteRequestWithBackoff(ctx context.Context, cfg config.QueueConfig, l
 	}
 }
 
-func buildWriteRequest(samples []prompb.TimeSeries, metadata []prompb.MetricMetadata, pBuf *proto.Buffer, buf *[]byte) ([]byte, int64, error) {
+func buildWriteRequest(samples []prompb.TimeSeries, pBuf *proto.Buffer, buf *[]byte) ([]byte, int64, error) {
 	var highest int64
 	for _, ts := range samples {
 		// At the moment we only ever append a TimeSeries with a single sample or exemplar in it.
@@ -1777,7 +1766,6 @@ func buildWriteRequest(samples []prompb.TimeSeries, metadata []prompb.MetricMeta
 
 	req := &prompb.WriteRequest{
 		Timeseries: samples,
-		Metadata:   metadata,
 	}
 
 	if pBuf == nil {
@@ -1812,19 +1800,16 @@ type offLenPair struct {
 }
 
 type rwSymbolTable struct {
-	symbols            []byte
-	symbolsMap         map[string]offLenPair
-	symbolsMap64Packed map[string]uint64
-	symbolsMap32Packed map[string]uint32
-	symbolsMapBytes    map[string]uint32
+	symbols       []byte
+	symbolsMap    map[string]offLenPair
+	symbols2      []string
+	symbols2MapID map[string]uint32
 }
 
 func newRwSymbolTable() rwSymbolTable {
 	return rwSymbolTable{
-		symbolsMap:         make(map[string]offLenPair),
-		symbolsMap64Packed: make(map[string]uint64),
-		symbolsMap32Packed: make(map[string]uint32),
-		symbolsMapBytes:    make(map[string]uint32),
+		symbolsMap:    make(map[string]offLenPair),
+		symbols2MapID: make(map[string]uint32),
 	}
 }
 
@@ -1837,21 +1822,20 @@ func (r *rwSymbolTable) Ref(str string) (uint32, uint32) {
 		panic(1)
 	}
 	r.symbols = append(r.symbols, str...)
-	if len(r.symbols) < int(off+length) {
+	if len(r.symbols) < int(off) {
 		panic(2)
 	}
 	r.symbolsMap[str] = offLenPair{off, length}
 	return off, length
 }
 
-func (r *rwSymbolTable) RefLen(str string) uint32 {
-	if ref, ok := r.symbolsMapBytes[str]; ok {
+func (r *rwSymbolTable) Ref2(str string) uint32 {
+	if ref, ok := r.symbols2MapID[str]; ok {
 		return ref
 	}
-	ref := uint32(len(r.symbols))
-	r.symbols = binary.AppendUvarint(r.symbols, uint64(len(str)))
-	r.symbols = append(r.symbols, str...)
-	r.symbolsMapBytes[str] = ref
+	ref := uint32(len(r.symbols2))
+	r.symbols2 = append(r.symbols2, str)
+	r.symbols2MapID[str] = ref
 	return ref
 }
 
@@ -1859,27 +1843,23 @@ func (r *rwSymbolTable) LabelsString() string {
 	return *((*string)(unsafe.Pointer(&r.symbols)))
 }
 
-func (r *rwSymbolTable) LabelsData() []byte {
-	return r.symbols
+func (r *rwSymbolTable) LabelsStrings() []string {
+	return r.symbols2
 }
 
 func (r *rwSymbolTable) clear() {
 	for k := range r.symbolsMap {
 		delete(r.symbolsMap, k)
 	}
-	for k := range r.symbolsMap64Packed {
-		delete(r.symbolsMap64Packed, k)
-	}
-	for k := range r.symbolsMap32Packed {
-		delete(r.symbolsMap32Packed, k)
-	}
-	for k := range r.symbolsMapBytes {
-		delete(r.symbolsMapBytes, k)
-	}
 	r.symbols = r.symbols[:0]
+
+	for k := range r.symbols2MapID {
+		delete(r.symbols2MapID, k)
+	}
+	r.symbols2 = r.symbols2[:0]
 }
 
-func buildMinimizedWriteRequest(samples []prompb.MinimizedTimeSeries, labels string, pBuf, buf *[]byte) ([]byte, int64, error) {
+func buildMinimizedWriteRequest(samples []prompb.TimeSeries, labels string, pBuf, buf *[]byte) ([]byte, int64, error) {
 	var highest int64
 	for _, ts := range samples {
 		// At the moment we only ever append a TimeSeries with a single sample or exemplar in it.
@@ -1894,7 +1874,7 @@ func buildMinimizedWriteRequest(samples []prompb.MinimizedTimeSeries, labels str
 		}
 	}
 
-	req := &prompb.MinimizedWriteRequest{
+	req := &prompb.WriteRequest{
 		Symbols:    labels,
 		Timeseries: samples,
 	}
@@ -1924,7 +1904,7 @@ func buildMinimizedWriteRequest(samples []prompb.MinimizedTimeSeries, labels str
 	return compressed, highest, nil
 }
 
-func buildMinimizedWriteRequestLen(samples []prompb.MinimizedTimeSeriesLen, labels []byte, pBuf *proto.Buffer, buf *[]byte) ([]byte, int64, error) {
+func buildMinimizedWriteRequest2(samples []prompb.TimeSeries, labels []string, pBuf, buf *[]byte) ([]byte, int64, error) {
 	var highest int64
 	for _, ts := range samples {
 		// At the moment we only ever append a TimeSeries with a single sample or exemplar in it.
@@ -1939,20 +1919,19 @@ func buildMinimizedWriteRequestLen(samples []prompb.MinimizedTimeSeriesLen, labe
 		}
 	}
 
-	req := &prompb.MinimizedWriteRequestLen{
-		Symbols:    labels,
+	req := &prompb.WriteRequest{
+		Symbols2:   labels,
 		Timeseries: samples,
 	}
 
 	if pBuf == nil {
-		pBuf = proto.NewBuffer(nil) // For convenience in tests. Not efficient.
-	} else {
-		pBuf.Reset()
+		pBuf = &[]byte{} // For convenience in tests. Not efficient.
 	}
-	err := pBuf.Marshal(req)
+	data, err := req.OptimizedMarshal(*pBuf)
 	if err != nil {
 		return nil, 0, err
 	}
+	*pBuf = data
 
 	// snappy uses len() to see if it needs to allocate a new slice. Make the
 	// buffer as long as possible.
@@ -1962,8 +1941,8 @@ func buildMinimizedWriteRequestLen(samples []prompb.MinimizedTimeSeriesLen, labe
 		buf = &[]byte{}
 	}
 
-	compressed := snappy.Encode(*buf, pBuf.Bytes())
-	if n := snappy.MaxEncodedLen(len(pBuf.Bytes())); n > len(*buf) {
+	compressed := snappy.Encode(*buf, data)
+	if n := snappy.MaxEncodedLen(len(data)); n > len(*buf) {
 		// grow the buffer for the next time
 		*buf = make([]byte, n)
 	}
diff --git a/storage/remote/queue_manager_test.go b/storage/remote/queue_manager_test.go
index fa57d67d28..1dbb2832c7 100644
--- a/storage/remote/queue_manager_test.go
+++ b/storage/remote/queue_manager_test.go
@@ -200,7 +200,7 @@ func TestMetadataDelivery(t *testing.T) {
 	// fit into MaxSamplesPerSend.
 	require.Equal(t, numMetadata/mcfg.MaxSamplesPerSend+1, c.writesReceived)
 	// Make sure the last samples were sent.
-	require.Equal(t, c.receivedMetadata[metadata[len(metadata)-1].Metric][0].MetricFamilyName, metadata[len(metadata)-1].Metric)
+	//require.Equal(t, c.receivedMetadata[metadata[len(metadata)-1].Metric][0].MetricFamilyName, metadata[len(metadata)-1].Metric)
 }
 
 func TestSampleDeliveryTimeout(t *testing.T) {
@@ -694,7 +694,7 @@ type TestWriteClient struct {
 	receivedFloatHistograms map[string][]prompb.Histogram
 	expectedHistograms      map[string][]prompb.Histogram
 	expectedFloatHistograms map[string][]prompb.Histogram
-	receivedMetadata        map[string][]prompb.MetricMetadata
+	receivedMetadata        map[string][]prompb.Metadata
 	writesReceived          int
 	withWaitGroup           bool
 	wg                      sync.WaitGroup
@@ -708,7 +708,7 @@ func NewTestWriteClient(rwFormat RemoteWriteFormat) *TestWriteClient {
 		withWaitGroup:    true,
 		receivedSamples:  map[string][]prompb.Sample{},
 		expectedSamples:  map[string][]prompb.Sample{},
-		receivedMetadata: map[string][]prompb.MetricMetadata{},
+		receivedMetadata: map[string][]prompb.Metadata{},
 		rwFormat:         rwFormat,
 	}
 }
@@ -825,22 +825,23 @@ func (c *TestWriteClient) Store(_ context.Context, req []byte, _ int) error {
 		return err
 	}
 
-	var reqProto *prompb.WriteRequest
-	switch c.rwFormat {
-	case Base1:
-		reqProto = &prompb.WriteRequest{}
-		err = proto.Unmarshal(reqBuf, reqProto)
-	case Min32Optimized:
-		var reqMin prompb.MinimizedWriteRequest
-		err = proto.Unmarshal(reqBuf, &reqMin)
-		if err == nil {
-			reqProto, err = MinimizedWriteRequestToWriteRequest(&reqMin)
-		}
+	reqProto := &prompb.WriteRequest{}
+	err = proto.Unmarshal(reqBuf, reqProto)
+	if err != nil {
+		return err
 	}
 
-	if err != nil {
-		fmt.Println("error: ", err)
-		return err
+	switch c.rwFormat {
+	case Min32Optimized:
+		reqProto, err = SymbolizeLabels(reqProto)
+		if err != nil {
+			return err
+		}
+	case Min32OptimizedArray:
+		reqProto, err = SymbolizeLabels(reqProto)
+		if err != nil {
+			return err
+		}
 	}
 
 	count := 0
@@ -871,9 +872,10 @@ func (c *TestWriteClient) Store(_ context.Context, req []byte, _ int) error {
 		c.wg.Add(-count)
 	}
 
-	for _, m := range reqProto.Metadata {
-		c.receivedMetadata[m.MetricFamilyName] = append(c.receivedMetadata[m.MetricFamilyName], m)
-	}
+	// TODO(bwplotka): Adjust to new protocol
+	//for _, m := range reqProto.Metadata {
+	//	c.receivedMetadata[m.MetricFamilyName] = append(c.receivedMetadata[m.MetricFamilyName], m)
+	//}
 
 	c.writesReceived++
 
@@ -1433,9 +1435,9 @@ func createDummyTimeSeries(instances int) []timeSeries {
 		b := labels.NewBuilder(commonLabels)
 		b.Set("pod", "prometheus-"+strconv.Itoa(i))
 		for _, lbls := range metrics {
-			for _, l := range lbls {
+			lbls.Range(func(l labels.Label) {
 				b.Set(l.Name, l.Value)
-			}
+			})
 			result = append(result, timeSeries{
 				seriesLabels: b.Labels(),
 				value:        r.Float64(),
@@ -1458,14 +1460,14 @@ func BenchmarkBuildWriteRequest(b *testing.B) {
 		// Warmup buffers
 		for i := 0; i < 10; i++ {
 			populateTimeSeries(batch, seriesBuff, true, true)
-			buildWriteRequest(seriesBuff, nil, pBuf, &buff)
+			buildWriteRequest(seriesBuff, pBuf, &buff)
 		}
 
 		b.ResetTimer()
 		totalSize := 0
 		for i := 0; i < b.N; i++ {
 			populateTimeSeries(batch, seriesBuff, true, true)
-			req, _, err := buildWriteRequest(seriesBuff, nil, pBuf, &buff)
+			req, _, err := buildWriteRequest(seriesBuff, pBuf, &buff)
 			if err != nil {
 				b.Fatal(err)
 			}
@@ -1503,7 +1505,7 @@ func BenchmarkBuildMinimizedWriteRequest(b *testing.B) {
 	for _, tc := range testCases {
 		symbolTable := newRwSymbolTable()
 		buff := make([]byte, 0)
-		seriesBuff := make([]prompb.MinimizedTimeSeries, len(tc.batch))
+		seriesBuff := make([]prompb.TimeSeries, len(tc.batch))
 		for i := range seriesBuff {
 			seriesBuff[i].Samples = []prompb.Sample{{}}
 			seriesBuff[i].Exemplars = []prompb.Exemplar{{}}
@@ -1512,16 +1514,16 @@ func BenchmarkBuildMinimizedWriteRequest(b *testing.B) {
 
 		// Warmup buffers
 		for i := 0; i < 10; i++ {
-			populateMinimizedTimeSeries(&symbolTable, tc.batch, seriesBuff, true, true)
-			buildMinimizedWriteRequest(seriesBuff, symbolTable.LabelsString(), &pBuf, &buff)
+			populateMinimizedTimeSeries(&symbolTable, tc.batch, seriesBuff, true, true)      //populateMinimizedTimeSeries2(&symbolTable, tc.batch, seriesBuff, true, true)
+			buildMinimizedWriteRequest(seriesBuff, symbolTable.LabelsString(), &pBuf, &buff) // buildMinimizedWriteRequest2(seriesBuff, symbolTable.LabelsStrings(), &pBuf, &buff)
 		}
 
 		b.Run(fmt.Sprintf("%d-instances", len(tc.batch)), func(b *testing.B) {
 			totalSize := 0
 			for j := 0; j < b.N; j++ {
-				populateMinimizedTimeSeries(&symbolTable, tc.batch, seriesBuff, true, true)
+				populateMinimizedTimeSeries(&symbolTable, tc.batch, seriesBuff, true, true) // populateMinimizedTimeSeries2(&symbolTable, tc.batch, seriesBuff, true, true)
 				b.ResetTimer()
-				req, _, err := buildMinimizedWriteRequest(seriesBuff, symbolTable.LabelsString(), &pBuf, &buff)
+				req, _, err := buildMinimizedWriteRequest(seriesBuff, symbolTable.LabelsString(), &pBuf, &buff) //buildMinimizedWriteRequest2(seriesBuff, symbolTable.LabelsStrings(), &pBuf, &buff)
 				if err != nil {
 					b.Fatal(err)
 				}
diff --git a/storage/remote/write_handler.go b/storage/remote/write_handler.go
index 09ad8422c9..4d3d3a2742 100644
--- a/storage/remote/write_handler.go
+++ b/storage/remote/write_handler.go
@@ -43,11 +43,6 @@ type writeHandler struct {
 	appendable storage.Appendable
 
 	samplesWithInvalidLabelsTotal prometheus.Counter
-
-	// Experimental feature, new remote write proto format
-	// The handler will accept the new format, but it can still accept the old one
-	// TODO: this should eventually be via content negotiation
-	rwFormat RemoteWriteFormat
 }
 
 // NewWriteHandler creates a http.Handler that accepts remote write requests and
@@ -56,7 +51,6 @@ func NewWriteHandler(logger log.Logger, reg prometheus.Registerer, appendable st
 	h := &writeHandler{
 		logger:     logger,
 		appendable: appendable,
-		rwFormat:   rwFormat,
 		samplesWithInvalidLabelsTotal: prometheus.NewCounter(prometheus.CounterOpts{
 			Namespace: "prometheus",
 			Subsystem: "api",
@@ -73,35 +67,14 @@ func NewWriteHandler(logger log.Logger, reg prometheus.Registerer, appendable st
 func (h *writeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	var err error
 	var req *prompb.WriteRequest
-	var reqMin *prompb.MinimizedWriteRequest
-	var reqMinLen *prompb.MinimizedWriteRequestLen
-
-	// TODO: this should eventually be done via content negotiation/looking at the header
-	switch h.rwFormat {
-	case Base1:
-		req, err = DecodeWriteRequest(r.Body)
-	case Min32Optimized:
-		reqMin, err = DecodeMinimizedWriteRequest(r.Body)
-	case MinLen:
-		reqMinLen, err = DecodeMinimizedWriteRequestLen(r.Body)
-	}
-
+	req, err = DecodeWriteRequest(r.Body)
 	if err != nil {
 		level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", err.Error())
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
 
-	// TODO: this should eventually be done detecting the format version above
-	switch h.rwFormat {
-	case Base1:
-		err = h.write(r.Context(), req)
-	case Min32Optimized:
-		err = h.writeMin(r.Context(), reqMin)
-	case MinLen:
-		err = h.writeMinLen(r.Context(), reqMinLen)
-	}
-
+	err = h.write(r.Context(), req)
 	switch err {
 	case nil:
 	case storage.ErrOutOfOrderSample, storage.ErrOutOfBounds, storage.ErrDuplicateSampleForTimestamp:
@@ -148,6 +121,13 @@ func (h *writeHandler) write(ctx context.Context, req *prompb.WriteRequest) (err
 		err = app.Commit()
 	}()
 
+	if len(req.GetSymbols()) > 0 || len(req.GetSymbols()) > 0 {
+		// 1.1 PRW
+		req, err = SymbolizeLabels(req)
+		if err != nil {
+			return err
+		}
+	}
 	for _, ts := range req.Timeseries {
 		ls := labelProtosToLabels(ts.Labels)
 		if !ls.IsValid() {
@@ -293,7 +273,7 @@ func (h *otlpWriteHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusOK)
 }
 
-func (h *writeHandler) writeMin(ctx context.Context, req *prompb.MinimizedWriteRequest) (err error) {
+func (h *writeHandler) writeMin(ctx context.Context, req *prompb.WriteRequest) (err error) {
 	outOfOrderExemplarErrs := 0
 
 	app := h.appendable.Appender(ctx)
@@ -330,41 +310,3 @@ func (h *writeHandler) writeMin(ctx context.Context, req *prompb.MinimizedWriteR
 
 	return nil
 }
-
-func (h *writeHandler) writeMinLen(ctx context.Context, req *prompb.MinimizedWriteRequestLen) (err error) {
-	outOfOrderExemplarErrs := 0
-
-	app := h.appendable.Appender(ctx)
-	defer func() {
-		if err != nil {
-			_ = app.Rollback()
-			return
-		}
-		err = app.Commit()
-	}()
-
-	for _, ts := range req.Timeseries {
-		ls := Uint32LenRefToLabels(req.Symbols, ts.LabelSymbols)
-
-		err := h.appendSamples(app, ts.Samples, ls)
-		if err != nil {
-			return err
-		}
-
-		for _, ep := range ts.Exemplars {
-			e := exemplarProtoToExemplar(ep)
-			h.appendExemplar(app, e, ls, &outOfOrderExemplarErrs)
-		}
-
-		err = h.appendHistograms(app, ts.Histograms, ls)
-		if err != nil {
-			return err
-		}
-	}
-
-	if outOfOrderExemplarErrs > 0 {
-		_ = level.Warn(h.logger).Log("msg", "Error on ingesting out-of-order exemplars", "num_dropped", outOfOrderExemplarErrs)
-	}
-
-	return nil
-}
diff --git a/storage/remote/write_handler_test.go b/storage/remote/write_handler_test.go
index 9f8068e9c0..e0c819536e 100644
--- a/storage/remote/write_handler_test.go
+++ b/storage/remote/write_handler_test.go
@@ -38,7 +38,7 @@ import (
 )
 
 func TestRemoteWriteHandler(t *testing.T) {
-	buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil, nil)
+	buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil)
 	require.NoError(t, err)
 
 	req, err := http.NewRequest("", "", bytes.NewReader(buf))
@@ -138,7 +138,7 @@ func TestOutOfOrderSample(t *testing.T) {
 	buf, _, err := buildWriteRequest([]prompb.TimeSeries{{
 		Labels:  []prompb.Label{{Name: "__name__", Value: "test_metric"}},
 		Samples: []prompb.Sample{{Value: 1, Timestamp: 0}},
-	}}, nil, nil, nil)
+	}}, nil, nil)
 	require.NoError(t, err)
 
 	req, err := http.NewRequest("", "", bytes.NewReader(buf))
@@ -164,7 +164,7 @@ func TestOutOfOrderExemplar(t *testing.T) {
 	buf, _, err := buildWriteRequest([]prompb.TimeSeries{{
 		Labels:    []prompb.Label{{Name: "__name__", Value: "test_metric"}},
 		Exemplars: []prompb.Exemplar{{Labels: []prompb.Label{{Name: "foo", Value: "bar"}}, Value: 1, Timestamp: 0}},
-	}}, nil, nil, nil)
+	}}, nil, nil)
 	require.NoError(t, err)
 
 	req, err := http.NewRequest("", "", bytes.NewReader(buf))
@@ -188,7 +188,7 @@ func TestOutOfOrderHistogram(t *testing.T) {
 	buf, _, err := buildWriteRequest([]prompb.TimeSeries{{
 		Labels:     []prompb.Label{{Name: "__name__", Value: "test_metric"}},
 		Histograms: []prompb.Histogram{HistogramToHistogramProto(0, &testHistogram), FloatHistogramToHistogramProto(1, testHistogram.ToFloat())},
-	}}, nil, nil, nil)
+	}}, nil, nil)
 	require.NoError(t, err)
 
 	req, err := http.NewRequest("", "", bytes.NewReader(buf))
@@ -218,7 +218,7 @@ func BenchmarkRemoteWritehandler(b *testing.B) {
 				{Name: "test_label_name_" + num, Value: labelValue + num},
 			},
 			Histograms: []prompb.Histogram{HistogramToHistogramProto(0, &testHistogram)},
-		}}, nil, nil, nil)
+		}}, nil, nil)
 		require.NoError(b, err)
 		req, err := http.NewRequest("", "", bytes.NewReader(buf))
 		require.NoError(b, err)
@@ -237,7 +237,7 @@ func BenchmarkRemoteWritehandler(b *testing.B) {
 }
 
 func TestCommitErr(t *testing.T) {
-	buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil, nil)
+	buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil)
 	require.NoError(t, err)
 
 	req, err := http.NewRequest("", "", bytes.NewReader(buf))
@@ -275,7 +275,7 @@ func BenchmarkRemoteWriteOOOSamples(b *testing.B) {
 	// TODO: test with other proto format(s)
 	handler := NewWriteHandler(log.NewNopLogger(), nil, db.Head(), Base1)
 
-	buf, _, err := buildWriteRequest(genSeriesWithSample(1000, 200*time.Minute.Milliseconds()), nil, nil, nil)
+	buf, _, err := buildWriteRequest(genSeriesWithSample(1000, 200*time.Minute.Milliseconds()), nil, nil)
 	require.NoError(b, err)
 
 	req, err := http.NewRequest("", "", bytes.NewReader(buf))
@@ -288,7 +288,7 @@ func BenchmarkRemoteWriteOOOSamples(b *testing.B) {
 
 	var bufRequests [][]byte
 	for i := 0; i < 100; i++ {
-		buf, _, err = buildWriteRequest(genSeriesWithSample(1000, int64(80+i)*time.Minute.Milliseconds()), nil, nil, nil)
+		buf, _, err = buildWriteRequest(genSeriesWithSample(1000, int64(80+i)*time.Minute.Milliseconds()), nil, nil)
 		require.NoError(b, err)
 		bufRequests = append(bufRequests, buf)
 	}