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From "Jason Lowe (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4151) RM scheduler web page should filter apps to those that are relevant to scheduling
Date Fri, 13 Apr 2012 14:28:17 GMT
RM scheduler web page should filter apps to those that are relevant to scheduling
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                 Key: MAPREDUCE-4151
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4151
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: mrv2, webapps
            Reporter: Jason Lowe


On the ResourceManager's scheduler web page, the bottom of the page shows the apps block.
 When the cluster has run a lot of applications (e.g.: 10,000+) loading the apps table can
take a long time, and that prolongs the plotting of the queue status which is the most interesting
portion of the page.

If the user is bothering to go to the scheduler page, they're probably not interested in apps
that are not affecting what the scheduler is doing (e.g.: FINISHED, FAILED, KILLED, etc.).
 Having the RM filter the apps for this page should significantly reduce the time it takes
to load this page on the client, and it also helps reduce the amount of apps the user has
to sift through when looking for the apps that are affecting what the scheduler is doing.

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