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