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Fix uniqueness of new series

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This commit is contained in:
Fabian Reinartz 2016-12-26 16:55:32 +01:00
parent 5efe1d178e
commit 201d7687b6
1 changed files with 11 additions and 2 deletions
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13
head.go
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@ -186,8 +186,9 @@ func (h *HeadBlock) appendBatch(samples []hashedSample) error {
// Find head chunks for all samples and allocate new IDs/refs for
// ones we haven't seen before.
var (
newSeries []labels.Labels
newHashes []uint64
newSeries []labels.Labels
newHashes []uint64
uniqueHashes = map[uint64]uint32{}
)
for i := range samples {
@ -200,7 +201,15 @@ func (h *HeadBlock) appendBatch(samples []hashedSample) error {
s.ref = ref
continue
}
// There may be several samples for a new series in a batch.
// We don't want to reserve a new space for each.
if ref, ok := uniqueHashes[s.hash]; ok {
s.ref = ref
continue
}
s.ref = uint32(len(h.descs) + len(newSeries))
uniqueHashes[s.hash] = s.ref
newSeries = append(newSeries, s.labels)
newHashes = append(newHashes, s.hash)