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https://issues.apache.org/jira/browse/HIVE-20854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HIVE-20854:
---------------------------
Attachment: HIVE-20854.2.patch
> Sensible Defaults: Hive's Zookeeper heartbeat interval is 20 minutes, change
> to 2
> ---------------------------------------------------------------------------------
>
> Key: HIVE-20854
> URL: https://issues.apache.org/jira/browse/HIVE-20854
> Project: Hive
> Issue Type: Bug
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Major
> Attachments: HIVE-20854.1.patch, HIVE-20854.2.patch,
> HIVE-20854.2.patch
>
>
> {code}
> HIVE_ZOOKEEPER_SESSION_TIMEOUT("hive.zookeeper.session.timeout",
> "1200000ms",
> new TimeValidator(TimeUnit.MILLISECONDS),
> "ZooKeeper client's session timeout (in milliseconds). The client is
> disconnected, and as a result, all locks released, \n" +
> "if a heartbeat is not sent in the timeout."),
> {code}
> That's 1,200,000ms which is too long for all practical purposes - a 20 minute
> outage in case a node has a failure is too long.
> That is too long for the JDBC load-balancing, LLAP failure tolerance and the
> lock manager expiry.
> Change to 2 minutes, as a sensible default
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