Sangjin Lee created MAPREDUCE-5232:
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Summary: log classpath and other key properties on child JVM start
Key: MAPREDUCE-5232
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5232
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv1, mrv2
Affects Versions: 2.0.4-alpha
Reporter: Sangjin Lee
It would be great if we log vital information such as classpath, etc. upon a
mapreduce child JVM start. This would help a great deal in terms of
troubleshooting classpath issues, etc. Today it is pretty difficult to debug
this unless you preserve the container script.
Maybe it can log things like classpath, os name/version, java version, etc. at
the beginning of the child JVM start.
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