Connor

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It turns out the io flow difference between raft-engine and kvdb. As raft-engine performs lz4 compression on write while kvdb doesn't enable wal compression, the size after compression would be...

It's better to handle the destroying peers in a separate thread pool like how generating snapshots does.

Please fix the conflict

> > Please fix the conflict > > Tried rebasing with master and found the working tree clean. Any advice? What do you mean by "working tree clean"

Regenerate the dashboard, then push

@LykxSassinator Probabaly. Anyway, we should avoid IO in raftstore thread

> Do we have any situations that a snapshot is reused? @Connor1996 Seems no

@zhangjinpeng87 We only added the metric, still need to figure out the cause of the high duration. Better keep this issue open

It's caused by an orphan peer. ![img_v3_028f_361b8afe-b2a6-436b-aa79-99638c55512g](https://github.com/tikv/tikv/assets/13497871/a2b18598-d41b-48f8-9509-2d7cb0f5a1db) From the log, the peer is applying a snapshot while told being stale and needs to be destroyed. Due to code defect, after...