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https://issues.apache.org/jira/browse/RATIS-1562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17782000#comment-17782000
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Tsz-wo Sze edited comment on RATIS-1562 at 11/2/23 5:46 AM:
------------------------------------------------------------
Thanks for filing this JIRA, which recall our discussion in
https://github.com/apache/ratis/pull/832 .
The current code send only heartbeat but log entires when installing
snapshots. We may improve by adding a 'probe' state, as suggested by [~William
Song] in [this
comment|https://github.com/apache/ratis/pull/832#issuecomment-1451743645].
was (Author: szetszwo):
Thanks for filing this JIRA, which recall our discussion in
https://github.com/apache/ratis/pull/832 .
The current code does not send appendEntires when installing snapshots. We may
improve by adding a 'probe' state, as suggested by [~William Song] in [this
comment|https://github.com/apache/ratis/pull/832#issuecomment-1451743645].
> Do not send AppendEntries while InstallSnapshot is in progress
> --------------------------------------------------------------
>
> Key: RATIS-1562
> URL: https://issues.apache.org/jira/browse/RATIS-1562
> Project: Ratis
> Issue Type: Improvement
> Components: server
> Reporter: Kaijie Chen
> Priority: Major
>
> It is wasting of rpcs to send AppendEntries while InstallSnapshot is in
> progress. Because the reply from the follower will always be INCONSISTENCY.
> See following design doc from etcd as a reference. Maybe we should also
> introduce the follower progress state to Ratis.
> https://github.com/etcd-io/etcd/blob/main/raft/design.md
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