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etcdserver:FDUsage set ticker to 10 minute from 5 seconds.

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This ticker will check File Descriptor Requirements ,and count all fds in used.
And recorded some logs when in used >= limit/5*4. Just recorded message.
If fds was more than 10K,It's low performance due to FDUsage() works.
So need to increase it.

see https://github.com/etcd-io/etcd/issues/11969 for more detail.
This commit is contained in:
cfc4n 2020-06-16 12:44:33 +08:00
parent 49f91d629a
commit 144beba3f8
1 changed files with 7 additions and 1 deletions
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8
etcdserver/metrics.go
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@ -184,7 +184,13 @@ func init() {
}
func monitorFileDescriptor(lg *zap.Logger, done <-chan struct{}) {
ticker := time.NewTicker(5 * time.Second)
// This ticker will check File Descriptor Requirements ,and count all fds in used.
// And recorded some logs when in used >= limit/5*4. Just recorded message.
// If fds was more than 10K,It's low performance due to FDUsage() works.
// So need to increase it.
// See https://github.com/etcd-io/etcd/issues/11969 for more detail.
ticker := time.NewTicker(10 * time.Minute)
defer ticker.Stop()
for {
used, err := runtime.FDUsage()