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Posted to mapreduce-dev@hadoop.apache.org by "llcode (JIRA)" <ji...@apache.org> on 2014/08/11 13:00:13 UTC
[jira] [Created] (MAPREDUCE-6031) resourcemanager can not work
while there has no any errors
llcode created MAPREDUCE-6031:
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Summary: 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
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???
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