You are viewing a plain text version of this content. The canonical link for it is here.

Posted to mapreduce-dev@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2012/06/28 22:36:44 UTC

[jira] [Created] (MAPREDUCE-4385) FairScheduler.maxTasksToAssign() should check for fairscheduler.assignmultiple.maps < TaskTracker.availableSlots

Karthik Kambatla created MAPREDUCE-4385:
-------------------------------------------

             Summary: FairScheduler.maxTasksToAssign() should check for fairscheduler.assignmultiple.maps < TaskTracker.availableSlots
                 Key: MAPREDUCE-4385
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4385
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
    Affects Versions: 1.0.3
            Reporter: Karthik Kambatla
            Assignee: Karthik Kambatla


FairScheduler.maxTasksToAssign() can potentially return a value greater than the available slots. Currently, we rely on canAssignMaps()/canAssignReduces() to reject such requests.

These additional calls can be avoided by check against the available slots in maxTasksToAssign().

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira