stefanlee created MAPREDUCE-7129:
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Summary: Cannot assign container Container: maps.isEmpty=true
Key: MAPREDUCE-7129
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7129
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mr-am
Affects Versions: 2.4.0
Environment: we have many mapreduce applications without reduce task,
and we found a lot of *Cannot assign container Container: maps.isEmpty=true*
information in MRAppMaster log, they are unused containers in
*scheduledRequests.assign* and released by RM, and MRAppMaster will hang 2
mimute at *getResource* ,i doubt if it's inconsistent between *ask* and *maps*?
Reporter: stefanlee
Attachments: AppMaster.zip
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