[jira] [Work logged] (HIVE-23746) Send task attempts async from AM to daemons

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-23746?focusedWorklogId=461747&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-461747 ]

ASF GitHub Bot logged work on HIVE-23746:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 21/Jul/20 20:16
            Start Date: 21/Jul/20 20:16
    Worklog Time Spent: 10m 
      Work Description: mustafaiman opened a new pull request #1291:
URL: https://github.com/apache/hive/pull/1291


   Change-Id: Id8bd360813414ee7a11892e13fe302140aa0126f
   
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 461747)
    Remaining Estimate: 0h
            Time Spent: 10m

> Send task attempts async from AM to daemons
> -------------------------------------------
>
>                 Key: HIVE-23746
>                 URL: https://issues.apache.org/jira/browse/HIVE-23746
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap
>            Reporter: Mustafa Iman
>            Assignee: Mustafa Iman
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> LlapTaskCommunicator uses sync client to send task attempts. There are fixed number of communication threads (10 by default). This causes unneccessary delays when there are enough free execution slots in daemons but they do not receive all the tasks because of this bottleneck. LlapTaskCommunicator can use an async client to pass these tasks to daemons. 



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