Bikas Saha created HDFS-3565:
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Summary: Fix streaming job failures with
WindowsResourceCalculatorPlugin
Key: HDFS-3565
URL: https://issues.apache.org/jira/browse/HDFS-3565
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Bikas Saha
Assignee: Bikas Saha
Some streaming jobs use local mode job runs that do not start tasks trackers.
In these cases, the jvm context is not setup and hence local mode execution
causes the code to crash.
Fix is to not not use ResourceCalculatorPlugin in such cases or make the local
job run creating dummy jvm contexts. Choosing the first option because thats
the current implicit behavior in Linux. The ProcfsBasedProcessTree (used inside
the LinuxResourceCalculatorPlugin) does no real work when the process pid is
not setup correctly. This is what happens when local job mode runs.
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