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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4560) ZKClusterCoordinator does not call DrillbitStatusListener.drillbitRegistered for new bits
Date Thu, 20 Oct 2016 21:39:58 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15593103#comment-15593103
] 

ASF GitHub Bot commented on DRILL-4560:
---------------------------------------

Github user sudheeshkatkam commented on the issue:

    https://github.com/apache/drill/pull/626
  
    Please fix the commit message. Maybe "DRILL-4560: When new bits register, invoke listeners
 in ZKClusterCoordinator"?


> ZKClusterCoordinator does not call DrillbitStatusListener.drillbitRegistered for new
bits
> -----------------------------------------------------------------------------------------
>
>                 Key: DRILL-4560
>                 URL: https://issues.apache.org/jira/browse/DRILL-4560
>             Project: Apache Drill
>          Issue Type: Sub-task
>          Components:  Server
>    Affects Versions: 1.6.0
>            Reporter: Paul Rogers
>            Assignee: Sorabh Hamirwasia
>            Priority: Minor
>             Fix For: 1.9.0
>
>
> ZKClusterCoordinator notifies listeners of type DrillbitStatusListener when drillbits
disappear from ZooKeeper. The YARN Application Master (AM) also needs to know when bits register
themselves with ZK. So, ZKClusterCoordinator should change to detect new Drill-bits, then
call DrillbitStatusListener.drillbitRegistered with the new Drill-bits.



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