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From "Mustafa Iman (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-23747) Increase the number of parallel tasks sent to daemons from am
Date Mon, 31 Aug 2020 00:32:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-23747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17187357#comment-17187357
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Mustafa Iman commented on HIVE-23747:
-------------------------------------

This was resolved as part of https://issues.apache.org/jira/browse/HIVE-23746

> Increase the number of parallel tasks sent to daemons from am
> -------------------------------------------------------------
>
>                 Key: HIVE-23747
>                 URL: https://issues.apache.org/jira/browse/HIVE-23747
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Mustafa Iman
>            Assignee: Mustafa Iman
>            Priority: Major
>
> The number of inflight tasks from AM to a single executor is hardcoded to 1 currently([https://github.com/apache/hive/blob/master/llap-client/src/java/org/apache/hadoop/hive/llap/tez/LlapProtocolClientProxy.java#L57] ).
It does not make sense to increase this right now as communication between am and daemons
happen synchronously anyway. After resolving https://issues.apache.org/jira/browse/HIVE-23746 this
must be increased to at least number of execution slots per daemon.



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