Lvpenglin created TEZ-3133:
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Summary: 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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