Commits on Nov 11, 2022

1. etcdserver: call the OnPreCommitUnsafe in unsafeCommit …

   `unsafeCommit` is called by both `(*batchTxBuffered) commit` and
   `(*backend) defrag`. When users perform the defragmentation
   operation, etcd doesn't update the consistent index. If etcd
   crashes(e.g. panicking) in the process for whatever reason, then
   etcd replays the WAL entries starting from the latest snapshot,
   accordingly it may re-apply entries which might have already been
   applied, eventually the revision isn't consistent with other members.
   
   Refer to discussion in etcd-io#14685
   
   Signed-off-by: Benjamin Wang <wachao@vmware.com>

   

   ahrtr committed Nov 11, 2022
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