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cmd/prometheus: Undo GOGC adjustment

This commit is contained in:
Fabian Reinartz 2017-04-10 16:22:01 +02:00
parent ece483c0c1
commit 757cba7c31
1 changed files with 0 additions and 12 deletions
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12
cmd/prometheus/main.go
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@ -20,7 +20,6 @@ import (
_ "net/http/pprof" // Comment this line to disable pprof endpoint. _ "net/http/pprof" // Comment this line to disable pprof endpoint.
"os" "os"
"os/signal" "os/signal"
"runtime/debug"
"syscall" "syscall"
"time" "time"
@ -42,13 +41,6 @@ func main() {
os.Exit(Main()) os.Exit(Main())
} }
// defaultGCPercent is the value used to to call SetGCPercent if the GOGC
// environment variable is not set or empty. The value here is intended to hit
// the sweet spot between memory utilization and GC effort. It is lower than the
// usual default of 100 as a lot of the heap in Prometheus is used to cache
// memory chunks, which have a lifetime of hours if not days or weeks.
const defaultGCPercent = 40
var ( var (
configSuccess = prometheus.NewGauge(prometheus.GaugeOpts{ configSuccess = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "prometheus", Namespace: "prometheus",
@ -78,10 +70,6 @@ func Main() int {
return 0 return 0
} }
if os.Getenv("GOGC") == "" {
debug.SetGCPercent(defaultGCPercent)
}
log.Infoln("Starting prometheus", version.Info()) log.Infoln("Starting prometheus", version.Info())
log.Infoln("Build context", version.BuildContext()) log.Infoln("Build context", version.BuildContext())