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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-21907) Add a new LlapDaemon Management API method to set the daemon capacity
Date Tue, 25 Jun 2019 11:07:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21907?focusedWorklogId=266541&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-266541
]

ASF GitHub Bot logged work on HIVE-21907:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/Jun/19 11:06
            Start Date: 25/Jun/19 11:06
    Worklog Time Spent: 10m 
      Work Description: pvary commented on pull request #685: HIVE-21907: Add a new LlapDaemon
Management API method to set the daemon capacity
URL: https://github.com/apache/hive/pull/685#discussion_r297131670
 
 

 ##########
 File path: llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/TaskExecutorService.java
 ##########
 @@ -176,6 +181,31 @@ public TaskExecutorService(int numExecutors, int waitQueueSize,
     Futures.addCallback(future, new WaitQueueWorkerCallback());
   }
 
+  /**
+   * Sets the TaskExecutorService capacity to the new values. Both the number of executors
and the
+   * queue size should be smaller than that original values, so we do not mess up with the
other
 
 Review comment:
   Container memory sizes are calculated based on the executors. Adding more executors and
this way executing more containers can result in memory oversubscription.
   
   Added more specific comment
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 266541)
    Time Spent: 1h  (was: 50m)

> Add a new LlapDaemon Management API method to set the daemon capacity
> ---------------------------------------------------------------------
>
>                 Key: HIVE-21907
>                 URL: https://issues.apache.org/jira/browse/HIVE-21907
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap
>            Reporter: Peter Vary
>            Assignee: Peter Vary
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21907.2.patch, HIVE-21907.patch
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Add a new method to LlapManagementProtocol API which can disable an Llap node.
> It would be even better, if we can dynamically set the number of executors and the size
of the wait queue. This way we can disable the node setting them to 0.



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