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lib/storage: tune the returned value from adjustMaxMetricsAdaptive

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This commit is contained in:
Aliaksandr Valialkin 2019-11-04 00:44:12 +02:00
parent 386c349c8c
commit 23e078261e
1 changed files with 3 additions and 3 deletions
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6
lib/storage/index_db.go
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@ -1316,10 +1316,10 @@ func (is *indexSearch) adjustMaxMetricsAdaptive(tr TimeRange, maxMetrics int) in
return maxMetrics
}
hourMetrics := hmPrev.m.Len()
if hourMetrics >= 256 && maxMetrics > hourMetrics/4 {
if maxMetrics > hourMetrics {
// It is cheaper to filter on the hour or day metrics if the minimum
// number of matching metrics across tfs exceeds hourMetrics / 4.
return hourMetrics / 4
// number of matching metrics across tfs exceeds hourMetrics.
return hourMetrics
}
return maxMetrics
}