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From "Richard Zhang (Jira)" <j...@apache.org>
Subject [jira] [Work stopped] (HIVE-23195) set hive.cluster.delegation.token.gc-interval to 15 minutes instead of an hour
Date Fri, 17 Apr 2020 22:47:00 GMT

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

Work on HIVE-23195 stopped by Richard Zhang.
--------------------------------------------
> 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
>          Components: Hive
>            Reporter: Richard Zhang
>            Assignee: Richard Zhang
>            Priority: Major
>
> 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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