Mikhail Davidov created MAPREDUCE-5582:
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Summary: Setting mapred.job.reduce.memory.mb to 0 from a job with
CapacityTracker leads to inconsistent state in JVMManager
Key: MAPREDUCE-5582
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5582
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: capacity-sched
Reporter: Mikhail Davidov
Priority: Critical
If a job sets mapred.job.reduce.memory.mb is set to 0 the capacity scheduler
incorrectly allocates resources eventually causing "Inconsistent state!!! JVM
Manager reached an unstable state while reaping a JVM for task" errors from the
JVMManager killing all TaskTrackers that have been used for the job.
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