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https://issues.apache.org/jira/browse/TAJO-523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Min Zhou updated TAJO-523:
--------------------------
Priority: Major (was: Blocker)
> ExecuttionBlock hangs
> ---------------------
>
> Key: TAJO-523
> URL: https://issues.apache.org/jira/browse/TAJO-523
> Project: Tajo
> Issue Type: Bug
> Components: distributed query plan
> Affects Versions: 0.8-incubating
> Reporter: Min Zhou
> Attachments: tajo-yarn-worker-esv4-hcl284.grid.linkedin.com.out
>
>
> Run select count(1) from supplier the second time, an execution block
> eb_1390174658728_0006_000002 hung, and the client stuck at 14%.
> Here is the log
> {noformat}
> 2014-01-19 23:58:30,745 INFO querymaster.SubQuery
> (SubQuery.java:getNonLeafTaskNum(688)) - Table's volume is approximately 1 MB
> 2014-01-19 23:58:30,745 INFO querymaster.SubQuery
> (SubQuery.java:getNonLeafTaskNum(691)) - The determined number of non-leaf
> tasks is 1
> 2014-01-19 23:58:30,744 INFO master.ContainerProxy
> (TajoContainerProxy.java:stopContainer(114)) - Release TajoWorker Resource:
> eb_1390174658728_0006_000001,container_1390174658728_0006_01_000041,
> state:RUNNING
> 2014-01-19 23:58:30,747 INFO querymaster.SubQuery
> (SubQuery.java:transition(518)) - 1 objects are scheduled
> 2014-01-19 23:58:30,747 INFO master.DefaultTaskScheduler
> (DefaultTaskScheduler.java:start(88)) - Start TaskScheduler
> 2014-01-19 23:58:30,748 INFO querymaster.SubQuery
> (SubQuery.java:allocateContainers(733)) - Request Container for
> eb_1390174658728_0006_000002 containers=1
> 2014-01-19 23:58:30,748 INFO querymaster.Query (Query.java:transition(311))
> - Scheduling SubQuery:eb_1390174658728_0006_000002
> 2014-01-19 23:58:30,749 INFO worker.TajoResourceAllocator
> (TajoResourceAllocator.java:run(231)) - Start TajoWorkerAllocationThread
> 2014-01-19 23:58:30,792 INFO worker.TajoResourceAllocator
> (TajoResourceAllocator.java:run(348)) - Stop TajoWorkerAllocationThread
> 2014-01-19 23:58:30,792 INFO querymaster.SubQuery
> (SubQuery.java:transition(848)) - SubQuery (eb_1390174658728_0006_000002) has
> 1 containers!
> 2014-01-19 23:58:30,820 INFO master.ContainerProxy
> (TajoContainerProxy.java:launch(61)) - Launched
> Container:eb_1390174658728_0006_000002,44,container_1390174658728_0006_01_000044,esv4-hcl284.grid.linkedin.com:28091,
> pullServer=34396
> 2014-01-19 23:58:30,820 INFO worker.TajoResourceAllocator
> (TajoResourceAllocator.java:run(190)) - ContainerProxy
> started:container_1390174658728_0006_01_000044
> {noformat}
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