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Posted to issues@ratis.apache.org by "Siddharth Wagle (Jira)" <ji...@apache.org> on 2019/10/01 02:43:00 UTC
[jira] [Commented] (RATIS-693) Combine notifyLeader and
notifyLeaderChanged calls on StateMachine
[ https://issues.apache.org/jira/browse/RATIS-693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16941479#comment-16941479 ]
Siddharth Wagle commented on RATIS-693:
---------------------------------------
Thanks [~szetszwo] for review, updated the patch.
> Combine notifyLeader and notifyLeaderChanged calls on StateMachine
> ------------------------------------------------------------------
>
> Key: RATIS-693
> URL: https://issues.apache.org/jira/browse/RATIS-693
> Project: Ratis
> Issue Type: Improvement
> Components: raft-group, server
> Affects Versions: 0.5.0
> Reporter: Siddharth Wagle
> Assignee: Siddharth Wagle
> Priority: Major
> Fix For: 0.5.0
>
> Attachments: RATIS-693.01.patch, RATIS-693.02.patch
>
>
> RATIS-678 introcuded _notifyLeaderChanged_ API on the StateMachine interface which will be called to notify the statemachine when the leaderId changes on leader as well as the follower.
> Downstream services like Ozone utilize this functionality to decide when the Raft group is ready to accept writes and do open the write pipeline.
> Purpose of this jira is to combine notifyLeader and notifyLeaderChanged into a single API.
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