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From "sandflee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5375) invoke MockRM#drainEvents implicitly in MockRM methods to reduce test failures
Date Mon, 18 Jul 2016 07:30:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15381831#comment-15381831
] 

sandflee commented on YARN-5375:
--------------------------------

seems we could use a sync way to process scheduler event like, this will simple the process
and code.
{code}
    @Override
    protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
      // Dispatch inline for test sanity
      return new EventHandler<SchedulerEvent>() {
        @Override
        public void handle(SchedulerEvent event) {
          scheduler.handle(event);
        }
      };
    }
{code}

> invoke MockRM#drainEvents implicitly in MockRM methods to reduce test failures
> ------------------------------------------------------------------------------
>
>                 Key: YARN-5375
>                 URL: https://issues.apache.org/jira/browse/YARN-5375
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: sandflee
>            Assignee: sandflee
>         Attachments: YARN-5375.01.patch, YARN-5375.03.patch
>
>
> seen many test failures related to RMApp/RMAppattempt comes to some state but some event
are not processed in rm event queue or scheduler event queue, cause test failure, seems we
could implicitly invokes drainEvents(should also drain sheduler event) in some mockRM method
like waitForState



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