add NumFloatSamples to TSDB block stats

Signed-off-by: Ahmed Hassan <afayekhassan@gmail.com>
This commit is contained in:
Ahmed Hassan 2025-07-07 13:48:18 -07:00
parent 6d77b47d13
commit 01be7bfb2e
3 changed files with 10 additions and 4 deletions

View File

@ -189,6 +189,7 @@ type BlockMeta struct {
// BlockStats contains stats about contents of a block.
type BlockStats struct {
NumSamples uint64 `json:"numSamples,omitempty"`
NumFloatSamples uint64 `json:"numFloatSamples,omitempty"`
NumHistogramSamples uint64 `json:"numHistogramSamples,omitempty"`
NumSeries uint64 `json:"numSeries,omitempty"`
NumChunks uint64 `json:"numChunks,omitempty"`

View File

@ -895,10 +895,13 @@ func (c DefaultBlockPopulator) PopulateBlock(ctx context.Context, metrics *Compa
meta.Stats.NumChunks += uint64(len(chks))
meta.Stats.NumSeries++
for _, chk := range chks {
meta.Stats.NumSamples += uint64(chk.Chunk.NumSamples())
enc := chk.Chunk.Encoding()
if enc == chunkenc.EncHistogram || enc == chunkenc.EncFloatHistogram {
meta.Stats.NumHistogramSamples += uint64(chk.Chunk.NumSamples())
samples := uint64(chk.Chunk.NumSamples())
meta.Stats.NumSamples += samples
switch chk.Chunk.Encoding() {
case chunkenc.EncHistogram, chunkenc.EncFloatHistogram:
meta.Stats.NumHistogramSamples += samples
case chunkenc.EncXOR:
meta.Stats.NumFloatSamples += samples
}
}

View File

@ -1101,6 +1101,8 @@ func TestCompaction_populateBlock(t *testing.T) {
for _, smpl := range chk {
if smpl.h != nil || smpl.fh != nil {
s.NumHistogramSamples++
} else {
s.NumFloatSamples++
}
}
}