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feat: automatically adjust the maximum concurrency to the container CPU quota (#4441)

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Ludovic Fernandez 2024-03-03 16:58:55 +01:00 committed by GitHub
parent 61f2f70d07
commit b1eed50751
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GPG Key ID: B5690EEEBB952194
3 changed files with 12 additions and 1 deletions
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1
go.mod
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@ -124,6 +124,7 @@ require (
gitlab.com/bosi/decorder v0.4.1
go-simpler.org/musttag v0.9.0
go-simpler.org/sloglint v0.4.0
go.uber.org/automaxprocs v1.5.3
golang.org/x/exp v0.0.0-20240103183307-be819d1f06fc
golang.org/x/tools v0.18.0
gopkg.in/yaml.v3 v3.0.1

4
go.sum generated
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@ -433,6 +433,8 @@ github.com/polyfloyd/go-errorlint v1.4.8 h1:jiEjKDH33ouFktyez7sckv6pHWif9B7SuS8c
github.com/polyfloyd/go-errorlint v1.4.8/go.mod h1:NNCxFcFjZcw3xNjVdCchERkEM6Oz7wta2XJVxRftwO4=
github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c h1:ncq/mPwQF4JjgDlrVEn3C11VoGHZN7m8qihwgMEtzYw=
github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
github.com/prashantv/gostub v1.1.0 h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=
github.com/prashantv/gostub v1.1.0/go.mod h1:A5zLQHz7ieHGG7is6LLXLz7I8+3LZzsrV0P1IAHhP5U=
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
@ -606,6 +608,8 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/automaxprocs v1.5.3 h1:kWazyxZUrS3Gs4qUpbwo5kEIMGe/DAvi5Z4tl2NW4j8=
go.uber.org/automaxprocs v1.5.3/go.mod h1:eRbA25aqJrxAbsLO0xy5jVwPt7FQnRgjW+efnwa1WM0=
go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI=
go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=

8
pkg/commands/run.go
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@ -23,6 +23,7 @@ import (
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/spf13/viper"
"go.uber.org/automaxprocs/maxprocs"
"golang.org/x/exp/maps"
"gopkg.in/yaml.v3"
@ -154,7 +155,12 @@ func (c *runCommand) persistentPreRunE(cmd *cobra.Command, _ []string) error {
return fmt.Errorf("can't load config: %w", err)
}
runtime.GOMAXPROCS(c.cfg.Run.Concurrency)
if c.cfg.Run.Concurrency == 0 {
// Automatically set GOMAXPROCS to match Linux container CPU quota.
_, _ = maxprocs.Set(nil)
} else {
runtime.GOMAXPROCS(c.cfg.Run.Concurrency)
}
return c.startTracing()
}