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From "Varun Vasudev (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4307) Blacklisted nodes for AM container is not getting displayed in the Web UI
Date Wed, 28 Oct 2015 17:06:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-4307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14978771#comment-14978771
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Varun Vasudev commented on YARN-4307:
-------------------------------------

So the blacklisted nodes in the UI refers to nodes blacklisted by the AM. My understanding
is you also want to display nodes blacklisted by the RM for the AM. Correct? If so, we should
display them as two separate columns. We should rename the existing column to "App blacklisted
nodes" or something that indicates that it shows the nodes blacklisted by the app and add
a new column to display the information you want.

> Blacklisted nodes for AM container is not getting displayed in the Web UI
> -------------------------------------------------------------------------
>
>                 Key: YARN-4307
>                 URL: https://issues.apache.org/jira/browse/YARN-4307
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, webapp
>            Reporter: Naganarasimha G R
>            Assignee: Naganarasimha G R
>         Attachments: webpage.png, yarn-capacity-scheduler-debug.log
>
>
> In pseudo cluster had 2 NM's  and had launched app with incorrect configuration *./hadoop
org.apache.hadoop.mapreduce.SleepJob -Dmapreduce.job.node-label-expression=labelX  -Dyarn.app.mapreduce.am.env=JAVA_HOME=/no/jvm/here
 -m 5 -mt 1200*.
> First attempt failed and 2nd attempt was launched, but the application was hung. In the
scheduler logs found that localhost was blacklisted but in the UI (app& apps listing page)
count was shown as zero and as well no hosts listed in the app page. 



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