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automemlimit

Go Reference Go Report Card Test

Automatically set GOMEMLIMIT to match Linux cgroups(7) memory limit.

See more details about GOMEMLIMIT here.

Installation

go get github.com/KimMachineGun/automemlimit@latest

Usage

package main

// By default, it sets `GOMEMLIMIT` to 90% of cgroup's memory limit.
// You can find more details of its behavior from the doc comment of memlimit.SetGoMemLimitWithEnv.
import _ "github.com/KimMachineGun/automemlimit"

or

package main

import "github.com/KimMachineGun/automemlimit/memlimit"

func init() {
	memlimit.SetGoMemLimitWithOpts(
		memlimit.WithRatio(0.9),
		memlimit.WithEnv(),
		memlimit.WithProvider(memlimit.FromCgroup),
	)
	memlimit.SetGoMemLimitWithEnv()
	memlimit.SetGoMemLimit(0.9)
	memlimit.SetGoMemLimitWithProvider(memlimit.Limit(1024*1024), 0.9)
	memlimit.SetGoMemLimitWithProvider(memlimit.FromCgroup, 0.9)
	memlimit.SetGoMemLimitWithProvider(memlimit.FromCgroupV1, 0.9)
	memlimit.SetGoMemLimitWithProvider(memlimit.FromCgroupHybrid, 0.9)
	memlimit.SetGoMemLimitWithProvider(memlimit.FromCgroupV2, 0.9)
}