[jira] [Work logged] (HIVE-21911) Pluggable LlapMetricsListener on Tez side to disable / resize Daemons

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

     [ https://issues.apache.org/jira/browse/HIVE-21911?focusedWorklogId=270035&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-270035 ]

ASF GitHub Bot logged work on HIVE-21911:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Jul/19 08:38
            Start Date: 01/Jul/19 08:38
    Worklog Time Spent: 10m 
      Work Description: pvary commented on pull request #691: HIVE-21911: Pluggable LlapMetricsListener on Tez side to disable / resize Daemons
URL: https://github.com/apache/hive/pull/691#discussion_r298935738
 
 

 ##########
 File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
 ##########
 @@ -4353,6 +4353,9 @@ private static void populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
       new TimeValidator(TimeUnit.MILLISECONDS), "Collect llap daemon metrics in the AM every given milliseconds,\n" +
       "so that the AM can use this information, to make better scheduling decisions.\n" +
       "If it's set to 0, then the feature is disabled."),
+    LLAP_TASK_SCHEDULER_AM_COLLECT_DAEMON_METRICS_LISTENER("hive.llap.task.scheduler.am.collect.daemon.metrics.listener", "",
 
 Review comment:
   Since all of the related configs currently has AM in the names, I would keep it this way and when we move this out then we can rename them as needed.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 270035)
    Time Spent: 50m  (was: 40m)

> Pluggable LlapMetricsListener on Tez side to disable / resize Daemons
> ---------------------------------------------------------------------
>
>                 Key: HIVE-21911
>                 URL: https://issues.apache.org/jira/browse/HIVE-21911
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap, Tez
>            Reporter: Peter Vary
>            Assignee: Peter Vary
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21911.patch
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> We need to have a way to plug in different listeners which act upon the LlapDaemon statistics.
> This listener should be able to disable / resize the LlapDaemons based on health data.



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