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https://issues.apache.org/jira/browse/HIVE-18078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-18078:
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Status: Patch Available (was: Open)
> WM getSession needs some retry logic
> ------------------------------------
>
> Key: HIVE-18078
> URL: https://issues.apache.org/jira/browse/HIVE-18078
> Project: Hive
> Issue Type: Sub-task
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-18078.only.patch, HIVE-18078.patch
>
>
> When we get a bad session (e.g. no registry info because AM has gone
> catatonic), the failure by the timeout future fails the getSession call.
> The retry model in TezTask is that it would get a session (which in original
> model can be completely unusable, but we still get the object), and then
> retry (reopen) if it's a lemon. If the reopen fails, we fail.
> getSession is not covered by this retry scheme, and should thus do its own
> retries (or the retry logic needs to be changed)
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