lib/streamaggr: prevent from data race inside dedupAggrShard when samplesBuf can be updated in pushSamples() while their values are read in the flush() loop without das.mu lock

This issue has been introduced in the commit 253c0cffbe
This commit is contained in:
Aliaksandr Valialkin 2024-06-11 17:30:34 +02:00
parent 81a3387bb7
commit 9bd16790c0
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@ -196,7 +196,7 @@ func (das *dedupAggrShard) flush(ctx *dedupFlushCtx, f func(samples []pushSample
das.m = make(map[string]*dedupAggrSample, len(m))
das.sizeBytes.Store(0)
das.itemsCount.Store(0)
das.samplesBuf = das.samplesBuf[:0]
das.samplesBuf = make([]dedupAggrSample, 0, len(das.samplesBuf))
}
das.mu.Unlock()