Manuel Godbert created TEZ-3459:
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Summary: Issues running M/R jobs with Tez
Key: TEZ-3459
URL: https://issues.apache.org/jira/browse/TEZ-3459
Project: Apache Tez
Issue Type: Bug
Reporter: Manuel Godbert
Attachments: colorCount.sh, mr-example.jar
After applying the patch delivered in TEZ-3330, I enriched the MapredColorCount
example to reproduce some of the other issues I encountered on the jobs I wish
to see running with Tez.
I am attaching a jar to the JIRA, including source code, and a script file
detailing the observed results in comments.
It adresses 3 issues:
- the embedded jars in /lib are ignored by Tez, but YARN uses them without
additional configuration
- The use of a combiner causes a NullPointerException
- The counters incremented in the Reporter objects stay at 0
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