AdGuardHome/main.go

53 lines
1.2 KiB
Go

//go:generate go install -v github.com/gobuffalo/packr/packr
//go:generate packr clean
//go:generate packr -z
package main
import (
"os"
"runtime/debug"
"time"
"github.com/AdguardTeam/AdGuardHome/home"
)
// version will be set through ldflags, contains current version
var version = "undefined"
// channel can be set via ldflags
var channel = "release"
// GOARM value - set via ldflags
var goarm = ""
func main() {
memoryUsage()
home.Main(version, channel, goarm)
}
// memoryUsage implements a couple of not really beautiful hacks which purpose is to
// make OS reclaim the memory freed by AdGuard Home as soon as possible.
func memoryUsage() {
debug.SetGCPercent(10)
// madvdontneed: setting madvdontneed=1 will use MADV_DONTNEED
// instead of MADV_FREE on Linux when returning memory to the
// kernel. This is less efficient, but causes RSS numbers to drop
// more quickly.
_ = os.Setenv("GODEBUG", "madvdontneed=1")
// periodically call "debug.FreeOSMemory" so
// that the OS could reclaim the free memory
go func() {
ticker := time.NewTicker(15 * time.Second)
for {
select {
case t := <-ticker.C:
t.Second()
debug.FreeOSMemory()
}
}
}()
}