Ahmed Radwan created MAPREDUCE-4570:
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Summary: ProcfsBasedProcessTree#constructProcessInfo() prints a
warning if procfsDir/<pid>/stat is not found.
Key: MAPREDUCE-4570
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4570
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Reporter: Ahmed Radwan
Assignee: Ahmed Radwan
Priority: Minor
I think a warning is misleading in this case. What is happening here is that
the list of all processes in the system is found, and then later the
procfsDir/<pid>/stat file for each is opened. This warning is thrown when the
process finishes before the stat file is opened, and hence the file is no
longer there. This could normally happen, and shouldn't signify a waring. An
info message is sufficient. I'll be uploading a patch momentarily.
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