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https://issues.apache.org/jira/browse/FLINK-30474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17682947#comment-17682947
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Matthias Pohl edited comment on FLINK-30474 at 2/1/23 1:42 PM:
---------------------------------------------------------------
master: fd4f918bbaa6f3fb1876dc90d9528d190b98a2f7
1.16: edaa148fcfa6ae427af8d840032903817b8ea5ef
1.15: ce38381c15ee83fad782677d51b10941c843b82e
was (Author: mapohl):
master: fd4f918bbaa6f3fb1876dc90d9528d190b98a2f7
1.16: tba
1.15: tba
> DefaultMultipleComponentLeaderElectionService triggers HA backend change even
> if it's not the leader
> ----------------------------------------------------------------------------------------------------
>
> Key: FLINK-30474
> URL: https://issues.apache.org/jira/browse/FLINK-30474
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Affects Versions: 1.16.0, 1.17.0, 1.15.3
> Reporter: Matthias Pohl
> Assignee: Matthias Pohl
> Priority: Critical
> Labels: pull-request-available
>
> {{DefaultMultipleComponentLeaderElectionService}} calls
> {{LeaderElectionEventHandler#onLeaderInformationChange}} in any case even
> though the contracts of that method states that it should be only called by
> the leader to update the HA backend information (see
> [JavaDoc|https://github.com/apache/flink/blob/5a2f220e31c50306a60aae8281f0ab4073fb85e1/flink-runtime/src/main/java/org/apache/flink/runtime/leaderelection/LeaderElectionEventHandler.java#L46-L50]).
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