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Write out of order hint when initially creating meta file (#13894)

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Signed-off-by: Jonathan Halterman <jonathan@grafana.com>
Signed-off-by: Jonathan Halterman <jhalterman@gmail.com>
Co-authored-by: Jesus Vazquez <jesusvazquez@users.noreply.github.com>
This commit is contained in:
Jonathan Halterman 2024-04-08 08:34:14 -07:00 committed by GitHub
parent 776eea6e96
commit 633224886a
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GPG key ID: B5690EEEBB952194
3 changed files with 11 additions and 16 deletions
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11
tsdb/compact.go
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@ -60,7 +60,7 @@ type Compactor interface {
// Write persists a Block into a directory.
// No Block is written when resulting Block has 0 samples, and returns empty ulid.ULID{}.
Write(dest string, b BlockReader, mint, maxt int64, parent *BlockMeta) (ulid.ULID, error)
Write(dest string, b BlockReader, mint, maxt int64, base *BlockMeta) (ulid.ULID, error)
// Compact runs compaction against the provided directories. Must
// only be called concurrently with results of Plan().
@ -536,7 +536,7 @@ func (c *LeveledCompactor) CompactWithBlockPopulator(dest string, dirs []string,
return uid, errs.Err()
}
func (c *LeveledCompactor) Write(dest string, b BlockReader, mint, maxt int64, parent *BlockMeta) (ulid.ULID, error) {
func (c *LeveledCompactor) Write(dest string, b BlockReader, mint, maxt int64, base *BlockMeta) (ulid.ULID, error) {
start := time.Now()
uid := ulid.MustNew(ulid.Now(), rand.Reader)
@ -549,9 +549,12 @@ func (c *LeveledCompactor) Write(dest string, b BlockReader, mint, maxt int64, p
meta.Compaction.Level = 1
meta.Compaction.Sources = []ulid.ULID{uid}
if parent != nil {
if base != nil {
meta.Compaction.Parents = []BlockDesc{
{ULID: parent.ULID, MinTime: parent.MinTime, MaxTime: parent.MaxTime},
{ULID: base.ULID, MinTime: base.MinTime, MaxTime: base.MaxTime},
}
if base.Compaction.FromOutOfOrder() {
meta.Compaction.SetOutOfOrder()
}
}

14
tsdb/db.go
View file

@ -1299,25 +1299,17 @@ func (db *DB) compactOOO(dest string, oooHead *OOOCompactionHead) (_ []ulid.ULID
}
}()
meta := &BlockMeta{}
meta.Compaction.SetOutOfOrder()
for t := blockSize * (oooHeadMint / blockSize); t <= oooHeadMaxt; t += blockSize {
mint, maxt := t, t+blockSize
// Block intervals are half-open: [b.MinTime, b.MaxTime). Block intervals are always +1 than the total samples it includes.
uid, err := db.compactor.Write(dest, oooHead.CloneForTimeRange(mint, maxt-1), mint, maxt, nil)
uid, err := db.compactor.Write(dest, oooHead.CloneForTimeRange(mint, maxt-1), mint, maxt, meta)
if err != nil {
return nil, err
}
if uid.Compare(ulid.ULID{}) != 0 {
ulids = append(ulids, uid)
blockDir := filepath.Join(dest, uid.String())
meta, _, err := readMetaFile(blockDir)
if err != nil {
return ulids, fmt.Errorf("read meta: %w", err)
}
meta.Compaction.SetOutOfOrder()
_, err = writeMetaFile(db.logger, blockDir, meta)
if err != nil {
return ulids, fmt.Errorf("write meta: %w", err)
}
}
}

2
tsdb/db_test.go
View file

@ -1441,7 +1441,7 @@ func (c *mockCompactorFailing) Write(dest string, _ BlockReader, _, _ int64, _ *
c.blocks = append(c.blocks, block)
// Now check that all expected blocks are actually persisted on disk.
// This way we make sure that the we have some blocks that are supposed to be removed.
// This way we make sure that we have some blocks that are supposed to be removed.
var expectedBlocks []string
for _, b := range c.blocks {
expectedBlocks = append(expectedBlocks, filepath.Join(dest, b.Meta().ULID.String()))