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Adjust samplesPerChunk from 120 to 220

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Signed-off-by: Justin Lei <justin.lei@grafana.com>
This commit is contained in:
Justin Lei 2023-03-03 13:05:13 -08:00
parent 8dba9163f1
commit 79db04eb12
1 changed files with 1 additions and 4 deletions
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5
tsdb/head_append.go
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@ -1324,10 +1324,7 @@ func (s *memSeries) appendFloatHistogram(t int64, fh *histogram.FloatHistogram,
func (s *memSeries) appendPreprocessor( func (s *memSeries) appendPreprocessor(
t int64, e chunkenc.Encoding, chunkDiskMapper *chunks.ChunkDiskMapper, chunkRange int64, t int64, e chunkenc.Encoding, chunkDiskMapper *chunks.ChunkDiskMapper, chunkRange int64,
) (c *memChunk, sampleInOrder, chunkCreated bool) { ) (c *memChunk, sampleInOrder, chunkCreated bool) {
// Based on Gorilla white papers this offers near-optimal compression ratio const samplesPerChunk = 220
// so anything bigger that this has diminishing returns and increases
// the time range within which we have to decompress all samples.
const samplesPerChunk = 120
c = s.head() c = s.head()