llcode created MAPREDUCE-6031: --------------------------------- 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??? -- This message was sent by Atlassian JIRA (v6.2#6252)