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Posted to issues@tajo.apache.org by "Min Zhou (JIRA)" <ji...@apache.org> on 2014/02/17 05:40:19 UTC

[jira] [Created] (TAJO-603) Move container allocation from SubQuery down to QueryUnitAttempt

Min Zhou created TAJO-603:
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             Summary: Move container allocation from SubQuery down to QueryUnitAttempt
                 Key: TAJO-603
                 URL: https://issues.apache.org/jira/browse/TAJO-603
             Project: Tajo
          Issue Type: Sub-task
            Reporter: Min Zhou


Tajo currently allocates all of the containers in SubQuery. That make things complicated.  Both SubQuery and DefaultTaskScheduler should hold a copy of allocated containers and running tasks.  And the event flow is difficult to understand. 



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