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https://issues.apache.org/jira/browse/HIVE-24860?focusedWorklogId=562965&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-562965
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ASF GitHub Bot logged work on HIVE-24860:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Mar/21 10:17
Start Date: 09/Mar/21 10:17
Worklog Time Spent: 10m
Work Description: pvary commented on pull request #2052:
URL: https://github.com/apache/hive/pull/2052#issuecomment-793669781
> @klcopp, with
[HIVE-24179](https://issues.apache.org/jira/browse/HIVE-24179)
heartbeatExecutorService was made to be a global to avoid multiple shutdown
hooks for the same threadpool. cc @zabetak
Thanks for catching this @deniskuzZ!
Strange thing that the service is static, but not initialized in a static
way.
The first user might set the pool size to a small one, and then later ones
can not change it... Is there any particular reason behind this?
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Issue Time Tracking
-------------------
Worklog Id: (was: 562965)
Time Spent: 40m (was: 0.5h)
> Shut down DbTxnManager heartbeatExecutorService at session close
> ----------------------------------------------------------------
>
> Key: HIVE-24860
> URL: https://issues.apache.org/jira/browse/HIVE-24860
> Project: Hive
> Issue Type: Bug
> Reporter: Karen Coppage
> Assignee: Karen Coppage
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> If the HeartBeaterExecutorService isn't shut down, UDF classes belonging to
> the session's UDFClassLoader (which was the session thread's context
> classloader at HeartBeaterExecutorService creation) could pile up and cause
> Metaspace OOM.
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