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https://issues.apache.org/jira/browse/TAJO-588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13893220#comment-13893220
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Hudson commented on TAJO-588:
-----------------------------
SUCCESS: Integrated in Tajo-master-build #58 (See
[https://builds.apache.org/job/Tajo-master-build/58/])
TAJO-588: In some case, leaf task of DefaultTaskScheduler are not distributed
execution. (jinho) (jinossy:
https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=009e0253ca04dd4b353a3f383571123e1e75719c)
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/DefaultTaskScheduler.java
* tajo-common/src/main/java/org/apache/tajo/conf/TajoConf.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/SubQuery.java
* CHANGES.txt
> In some case, leaf task of DefaultTaskScheduler are not distributed execution
> ------------------------------------------------------------------------------
>
> Key: TAJO-588
> URL: https://issues.apache.org/jira/browse/TAJO-588
> Project: Tajo
> Issue Type: Bug
> Components: planner/optimizer
> Affects Versions: 0.8-incubating
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Fix For: 0.8-incubating
>
> Attachments: TAJO-588.patch, TAJO-588_20140206_16:30:08.patch
>
>
> Leaf task of DefaultTaskScheduler should be fragment size
> If initial request of leaf task is small size, most tasks will be allocate to
> single node.
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