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Posted to dev@hive.apache.org by "Mustafa Iman (Jira)" <ji...@apache.org> on 2020/06/22 18:45:00 UTC

[jira] [Created] (HIVE-23747) Increase the number of parallel tasks sent to daemons from am

Mustafa Iman created HIVE-23747:
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             Summary: 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


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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