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https://issues.apache.org/jira/browse/HADOOP-10584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Templeton updated HADOOP-10584:
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Attachment: HADOOP-10584.prelim.patch
Here's a rough first patch that removes the fatal errors from the
{{ActiveStandbyElector}}. I haven't done much testing yet, but I wanted to get
it posted for comments. This patch also eliminates wrapping
{{InterruptedException}} in {{IOException}} so that it's possible to tell the
two apart. Feedback welcome!
> 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
> Assignee: Daniel Templeton
> Priority: Critical
> Attachments: hadoop-10584-prelim.patch, 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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