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https://issues.apache.org/jira/browse/HIVE-1410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Yang updated HIVE-1410:
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Attachment: HIVE-1410.1.patch
No unit test for this one, but I ran 2 metastore servers, one with and one
without this patch to verify that the one with the patch did not accumulate
half-open connections.
> Add TCP keepalive option for the metastore server
> -------------------------------------------------
>
> Key: HIVE-1410
> URL: https://issues.apache.org/jira/browse/HIVE-1410
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Metastore
> Affects Versions: 0.6.0
> Reporter: Paul Yang
> Assignee: Paul Yang
> Attachments: HIVE-1410.1.patch
>
>
> In production, we have noticed that the metastore server tends to accumulate
> half-open TCP connections when it has been running for a long time. By
> half-open, I am referring to idle connections where there is an established
> TCP connection on the metastore server machine, but no corresponding
> connection on the client machine. This could be the result of network
> disconnects or crashed clients.
> This patch will add an option to turn on TCP keepalive so that these
> half-open connections will get cleaned up.
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