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Round time to nearest second in memory storage.

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When samples get flushed to disk, they lose sub-second precision anyways. By
already dropping sub-second precision, data fetched from memory vs. disk will
behave the same. Later, we should consider also storing a more compact
representation than time.Time in memory if we're not going to use its full
precision.
This commit is contained in:
Julius Volz 2013-07-16 14:38:11 +02:00
parent 4d15f8fefe
commit 5d88e8cc45
1 changed files with 1 additions and 1 deletions
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2
storage/metric/memory.go
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@ -55,7 +55,7 @@ func (s *stream) add(timestamp time.Time, value clientmodel.SampleValue) {
// BUG(all): https://github.com/prometheus/prometheus/pull/265/files#r4336435.
s.values = append(s.values, &SamplePair{
Timestamp: timestamp,
Timestamp: timestamp.Round(time.Second).UTC(),
Value: value,
})
}