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Posted to issues@hive.apache.org by "Richard Zhang (Jira)" <ji...@apache.org> on 2020/04/17 05:23:00 UTC

[jira] [Work started] (HIVE-23195) set hive.cluster.delegation.token.gc-interval to 15 minutes instead of an hour

     [ https://issues.apache.org/jira/browse/HIVE-23195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-23195 started by Richard Zhang.
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> set hive.cluster.delegation.token.gc-interval to 15 minutes instead of an hour
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-23195
>                 URL: https://issues.apache.org/jira/browse/HIVE-23195
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Richard Zhang
>            Assignee: Richard Zhang
>            Priority: Major
>         Attachments: HIVE-23195.1.patch
>
>
> the config "hive.cluster.delegation.token.gc-interval" is set as long duration, 1 hour. This created some issues in a heavy loaded cluster in which the tokens may not be cleaned up fast enough and the cleaner thread may fail to clean the tokens. This may cause issues like eating too much space or LLAP startup failures, or slow system startup.
> If this hive.cluster.delegation.token.gc-interval” is reduced from 1 hour to a relatively shorter period such as 15 mins, then the zookeeper tokens will be cleaned more timely and mitigate these issues.



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