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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "LimitingTaskSlotUsage" by SomeOtherAccount
Date Fri, 22 Oct 2010 15:56:22 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "LimitingTaskSlotUsage" page has been changed by SomeOtherAccount.
http://wiki.apache.org/hadoop/LimitingTaskSlotUsage?action=diff&rev1=2&rev2=3

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  If a task absolutely must break the rules, there are a few things one can do:
  
   * Deploy ZooKeeper and use it as a persistent lock to keep track of how many tasks are
running concurrently
-  * Use a scheduler with a maximum task-per-queue feature and submit the job to that queue
+  * Use a scheduler with a maximum task-per-queue feature and submit the job to that queue,
such as FairShareScheduler or CapacityScheduler
  
  == Job consumes too much RAM/disk IO/etc on a given node ==
  

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