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https://issues.apache.org/jira/browse/FLINK-20695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17252763#comment-17252763
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Chesnay Schepler commented on FLINK-20695:
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Could you clarify which 1.11 version you are using? (1.11.0; 1.11.1; 1.11.2;
1.11.3)
> Zookeeper node under leader and leaderlatch is not deleted after job finished
> -----------------------------------------------------------------------------
>
> Key: FLINK-20695
> URL: https://issues.apache.org/jira/browse/FLINK-20695
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Reporter: lidesheng
> Priority: Critical
>
> I used flink 1.11 in standalone cluster mode for batch job. The enviornment
> was configed as zookeeper HA mode.
> After job was commited, flink runtime created nodes under
> /flink/default/leader and /flink/default/leaderlatch with job id. Though
> jobs were finished, these nodes were remaining in zookeeper path forever.
> After a period of running, more and more jobs had been executed and there
> were a greate number of nodes under /flink/default/leader and slowed down the
> performance of zookeeper. Why not delete the nodes after job finished? Flink
> runtime could get job status by listeners and delete the leader nodes for job
> immidiately.
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