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https://issues.apache.org/jira/browse/MAPREDUCE-7129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stefanlee updated MAPREDUCE-7129:
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Environment: (was: 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*?)
> 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
> Reporter: stefanlee
> Priority: Major
> Attachments: AppMaster.zip
>
>
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