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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5276) print more info when event queue is blocked
Date Wed, 29 Jun 2016 06:35:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-5276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15354657#comment-15354657

Rohith Sharma K S commented on YARN-5276:

Just caught up with this issue. This is really required for debugging loaded dispatcher. 
Overall patch reasonable to me. One thing I observe is logging is in INFO. But in large cluster
1K 2K 3K events are so common in fluctuation that printing for every modulus(%) 1K  does not
reasonable I feel. Either we need to change to DEBUG or need to increase dividing factor greater
than 1K. Thoughts?

> print more info when event queue is blocked
> -------------------------------------------
>                 Key: YARN-5276
>                 URL: https://issues.apache.org/jira/browse/YARN-5276
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: sandflee
>            Assignee: sandflee
>         Attachments: YARN-5276.01.patch
> we now see logs like "Size of event-queue is 498000, Size of event-queue is 499000" and
difficult to know which event flood the queue. 

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