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Log gomaxprocs messages (#10506)

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Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
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Julien Pivotto 2022-03-30 19:16:22 +02:00 committed by GitHub
parent c0fd228bad
commit 390956d317
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 6 deletions
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7
cmd/prometheus/main.go
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@ -570,8 +570,11 @@ func main() {
)
if cfg.enableAutoGOMAXPROCS {
if _, err := maxprocs.Set(); err != nil {
level.Warn(logger).Log("msg", "Failed to set GOMAXPROCS automatically", "err", err)
l := func(format string, a ...interface{}) {
level.Info(logger).Log("component", "automaxprocs", "msg", fmt.Sprintf(strings.TrimPrefix(format, "maxprocs: "), a...))
}
if _, err := maxprocs.Set(maxprocs.Logger(l)); err != nil {
level.Warn(logger).Log("component", "automaxprocs", "msg", "Failed to set GOMAXPROCS automatically", "err", err)
}
}

5
docs/feature_flags.md
View file

@ -93,7 +93,4 @@ computed at all.
`--enable-feature=auto-gomaxprocs`
When enabled, GOMAXPROCS variable will be automatically set to match the container CPU limit.
This means that Go runtime will operate as if it had only amount of CPU specified in the container
CPU limit and not all CPUs on server where it's running.
When enabled, GOMAXPROCS variable is automatically set to match Linux container CPU quota.