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TSDB: OOO native histograms: prep for multiple ooo head chunks (#14850)

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* tsdb: mmapCurrentOOOHeadChunk prepare for multiple ooo chunks

Currently float samples can only create a single ooo head chunk, but
native histograms can result in multiple due to counter resets, etc.

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>

* tsdb: getOOOSeriesChunks prepare for multiple ooo chunks

Currently float samples can only create a single ooo head chunk, but
native histograms can result in multiple due to counter resets, etc.

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>

---------

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
This commit is contained in:
George Krajcsovits 2024-09-12 00:55:39 +02:00 committed by GitHub
parent 4f81e077b3
commit 5aa3d8260a
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 3 additions and 3 deletions
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4
tsdb/head_append.go
View File

@ -1469,13 +1469,13 @@ func (s *memSeries) mmapCurrentOOOHeadChunk(chunkDiskMapper *chunks.ChunkDiskMap
handleChunkWriteError(err)
return nil
}
chunkRefs := make([]chunks.ChunkDiskMapperRef, 0, 1)
chunkRefs := make([]chunks.ChunkDiskMapperRef, 0, len(chks))
for _, memchunk := range chks {
if len(s.ooo.oooMmappedChunks) >= (oooChunkIDMask - 1) {
level.Error(logger).Log("msg", "Too many OOO chunks, dropping data", "series", s.lset.String())
break
}
chunkRef := chunkDiskMapper.WriteChunk(s.ref, s.ooo.oooHeadChunk.minTime, s.ooo.oooHeadChunk.maxTime, memchunk.chunk, true, handleChunkWriteError)
chunkRef := chunkDiskMapper.WriteChunk(s.ref, memchunk.minTime, memchunk.maxTime, memchunk.chunk, true, handleChunkWriteError)
chunkRefs = append(chunkRefs, chunkRef)
s.ooo.oooMmappedChunks = append(s.ooo.oooMmappedChunks, &mmappedChunk{
ref: chunkRef,

2
tsdb/ooo_head_read.go
View File

@ -111,7 +111,7 @@ func getOOOSeriesChunks(s *memSeries, mint, maxt int64, lastGarbageCollectedMmap
return nil
}
for _, chk := range chks {
addChunk(c.minTime, c.maxTime, ref, chk.chunk)
addChunk(chk.minTime, chk.maxTime, ref, chk.chunk)
}
} else {
var emptyChunk chunkenc.Chunk