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From "Min Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TAJO-523) ExecuttionBlock hangs
Date Mon, 20 Jan 2014 00:13:19 GMT
Min Zhou created TAJO-523:
-----------------------------

             Summary: 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
            Priority: Critical


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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