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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2016/08/04 18:14:20 UTC

[jira] [Commented] (HIVE-14430) More instances of HiveConf and the associated UDFClassLoader than expected

    [ https://issues.apache.org/jira/browse/HIVE-14430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15408247#comment-15408247 ] 

Sergey Shelukhin commented on HIVE-14430:
-----------------------------------------

How many HS2 threadpool threads are there? all the metastore stuff is threadlocal

> More instances of HiveConf and the associated UDFClassLoader than expected
> --------------------------------------------------------------------------
>
>                 Key: HIVE-14430
>                 URL: https://issues.apache.org/jira/browse/HIVE-14430
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>            Reporter: Siddharth Seth
>            Priority: Critical
>
> 841 instances of HiveConf.
> 831 instances of UDFClassLoader
> This is on a HS2 instance configured to run 10 concurrent queries with LLAP.
> 10 SessionState instances. Something is holding on to the additional HiveConf, UDFClassLoaders - potentially HMSHandler.
> This is with an embedded metastore.



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