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https://issues.apache.org/jira/browse/MAPREDUCE-6031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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llcode updated MAPREDUCE-6031:
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Component/s: resourcemanager
> resourcemanager can not work while there has no any errors
> ----------------------------------------------------------
>
> Key: MAPREDUCE-6031
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6031
> Project: Hadoop Map/Reduce
> Issue Type: Task
> Components: resourcemanager
> Affects Versions: 2.3.0
> Environment: CDH5.0.0(hadoop2.3.0)
> Reporter: llcode
> Assignee: llcode
>
> recently , while the hadoop cluster are working .Sometime , there has no any
> errors in the RM or NM , but the RM do not assigin resource while remaining
> much resource in the cluster .The following representation are
> 1、the command line such as "yarn node -list " could execute .The result are
> all well.
> 2、all nodes with running containers are all the MRapp container , no
> yarnchild process is running .
> 3、all applications that had been submited to the cluster early are all in the
> progress of 5% ,simultanously they will hang forever.
> the key is that we can not find any error or exception , but the applications
> hung.
> The temporary solution is to switch the active resourcemanager,but where is
> the problem???Could you give some advices?
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