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https://issues.apache.org/jira/browse/HIVE-23446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17109249#comment-17109249
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Hive QA commented on HIVE-23446:
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| (x) *{color:red}-1 overall{color}* |
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| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 13s{color}
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/data/hiveptest/logs/PreCommit-HIVE-Build-22401/patches/PreCommit-HIVE-Build-22401.patch
does not apply to master. Rebase required? Wrong Branch? See
http://cwiki.apache.org/confluence/display/Hive/HowToContribute for help.
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http://104.198.109.242/logs//PreCommit-HIVE-Build-22401/yetus.txt |
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This message was automatically generated.
> LLAP: Reduce IPC connection misses to AM for short queries
> ----------------------------------------------------------
>
> Key: HIVE-23446
> URL: https://issues.apache.org/jira/browse/HIVE-23446
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Major
> Attachments: HIVE-23446.1.patch, HIVE-23446.2.patch,
> HIVE-23446.3.patch, HIVE-23446.4.patch, HIVE-23446.5.patch
>
>
> [https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/QueryInfo.java#L343]
>
> Umbilical UGI pool for is maintained at QueryInfo level. When there are lots
> of short queries, this ends up missing IPC cache and ends up recreating
> threads/connections to the same AM.
> It would be good to maintain this pool in {{ContainerRunnerImpl}} instead and
> recycle as needed.
>
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