qixiaoyang0

> > Sending many lease update requests to the ETCD cluster, v3.5.11 version CPU will increase a lot. > > * How did you send "lease update request"? Kept sending...

> > This problem is because of this modification > > What was your method of deduction? Did you do any profiling? My test method is: - The CPU growth...

> > In etcdserver.(*EtcdServer).LeaseRenew, I deleted ensureLeadership > > makes me wonder why it increases the CPU usage so much, it merely waits on read state notification. edit: `etcd_network_peer_sent_bytes_total are...

> Usually users don't need to renew a lease too frequently. The [KeepAlive](https://github.com/etcd-io/etcd/blob/bb701b9265f31d61db5906325e0a7e2abf7d3627/client/v3/lease.go#L266) sends the `LeaseKeepAliveRequest` every TTL/3 seconds, can you follow the similar pattern? If not, can you please...