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Fix populateWithDelChunkSeriesIterator corrupting chunk meta

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When handling recoded histogram chunks the min time of the chunk is
updated by mistake. It should only update when the chunk is completely new.
Otherwise the ongoing chunk's meta will be later than the previously
written samples in it.

Same bug as https://github.com/prometheus/prometheus/pull/14629

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
This commit is contained in:
György Krajcsovits 2024-10-18 09:06:37 +02:00
parent e6a682f046
commit a4083f14e8
1 changed files with 1 additions and 1 deletions
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2
tsdb/querier.go
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@ -1022,9 +1022,9 @@ func (p *populateWithDelChunkSeriesIterator) populateChunksFromIterable() bool {
if newChunk != nil {
if !recoded {
p.chunksFromIterable = append(p.chunksFromIterable, chunks.Meta{Chunk: currentChunk, MinTime: cmint, MaxTime: cmaxt})
cmint = t
}
currentChunk = newChunk
cmint = t
}
cmaxt = t