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https://issues.apache.org/jira/browse/TEZ-3133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15158904#comment-15158904
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Hitesh Shah commented on TEZ-3133:
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Feel free to attach the yarn application logs for your job to this jira which
will help in the discussion on the mailing list.
> many tez tasks only run on one node in cluster
> ----------------------------------------------
>
> Key: TEZ-3133
> URL: https://issues.apache.org/jira/browse/TEZ-3133
> Project: Apache Tez
> Issue Type: Test
> Environment: hadoop2.6.0+tez0.7.0
> Reporter: Lvpenglin
>
> I tested the tez example OrderedWordCount on my cluster.My input file more
> than 200MB,and it will generate 4 tasks.But I found this 4 tasks all run on
> one node which is different everytime.My cluster contains one master and two
> slaves.My idea is this task should be run on different node,for example,there
> are two Tokenizer tasks should be run on two different nodes.this can show
> the distribution on the cluster.I don't know how to explain this
> phenomenon.and I guess if need to modify some configuration or set some
> information to realize my imaginative distribution. Who can explain why or
> tell me if need some configuration.Thank you very much
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