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https://issues.apache.org/jira/browse/HADOOP-10584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15872106#comment-15872106
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Daniel Templeton commented on HADOOP-10584:
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I'm looking at this issue now, and it seems to me that the issue could be
resolved by reseting the retry counts when the session is reconnected. If
we've lost the session, then whatever retry counts we had previously don't
really apply anymore, so we should reset them on reconnect. It looks like this
issue is happening only in the case that the ZK connection is flaky.
> ActiveStandbyElector goes down if ZK quorum become unavailable
> --------------------------------------------------------------
>
> Key: HADOOP-10584
> URL: https://issues.apache.org/jira/browse/HADOOP-10584
> Project: Hadoop Common
> Issue Type: Bug
> Components: ha
> Affects Versions: 2.4.0
> Reporter: Karthik Kambatla
> Priority: Critical
> Attachments: hadoop-10584-prelim.patch, rm.log
>
>
> ActiveStandbyElector retries operations for a few times. If the ZK quorum
> itself is down, it goes down and the daemons will have to be brought up
> again.
> Instead, it should log the fact that it is unable to talk to ZK, call
> becomeStandby on its client, and continue to attempt connecting to ZK.
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