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log on empty head compaction result (#8037)

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Signed-off-by: frbimo <fr.bimo@gmail.com>
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frbimo 2020-10-14 21:29:59 +08:00 committed by GitHub
parent 73e2ce1bd6
commit 260cd84d8f
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1 changed files with 6 additions and 0 deletions
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6
tsdb/compact.go
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@ -488,6 +488,12 @@ func (c *LeveledCompactor) Write(dest string, b BlockReader, mint, maxt int64, p
} }
if meta.Stats.NumSamples == 0 { if meta.Stats.NumSamples == 0 {
level.Info(c.logger).Log(
"msg", "write block resulted in empty block",
"mint", meta.MinTime,
"maxt", meta.MaxTime,
"duration", time.Since(start),
)
return ulid.ULID{}, nil return ulid.ULID{}, nil
} }