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lib/bytesutil/internstring.go: increase the limit on the maximum string lengths, which can be interned

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The limit has been increased from 300 bytes to 500 bytes according to the collected production stats.
This allows reducing CPU usage without significant increase of RAM usage in most practical cases.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3692
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Aliaksandr Valialkin 2023-01-31 10:55:31 -08:00
parent 1cbdcd391c
commit ac8bc77688
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lib/bytesutil/internstring.go
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@ -9,7 +9,7 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fasttime" "github.com/VictoriaMetrics/VictoriaMetrics/lib/fasttime"
) )
var internStringMaxLen = flag.Int("internStringMaxLen", 300, "The maximum length for strings to intern. Lower limit may save memory at the cost of higher CPU usage. "+ var internStringMaxLen = flag.Int("internStringMaxLen", 500, "The maximum length for strings to intern. Lower limit may save memory at the cost of higher CPU usage. "+
"See https://en.wikipedia.org/wiki/String_interning") "See https://en.wikipedia.org/wiki/String_interning")
// InternBytes interns b as a string // InternBytes interns b as a string