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查看 nodemanager 日志发下 如下信息
2015-07-16 15:28:58,643 WARN org.apache.hadoop.yarn.server.nodemanager.DirectoryCollection: Directory /opt/beh/data/yarn/nmlocal error, used space above threshold of 90.0%, removing from list of valid directories
2015-07-16 15:28:58,645 WARN org.apache.hadoop.yarn.server.nodemanager.DirectoryCollection: Directory /opt/beh/logs/yarn/nmlogs error, used space above threshold of 90.0%, removing from list of valid directories
2015-07-16 15:28:58,645 INFO org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService: Disk(s) failed: 1/1 local-dirs are bad: /opt/beh/data/yarn/nmlocal; 1/1 log-dirs are bad: /opt/beh/logs/yarn/nmlogs
2015-07-16 15:28:58,645 ERROR org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService: Most of the disks failed. 1/1 local-dirs are bad: /opt/beh/data/yarn/nmlocal; 1/1 log-dirs are bad: /opt/beh/logs/yarn/nmlogs
2015-07-16 15:28:58,648 INFO org.apache.hadoop.yarn.event.AsyncDispatcher: Registering class org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.event.LogHandlerEventType for class org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService
2015-07-16 15:28:58,648 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService: per directory file limit = 8192
2015-07-16 15:28:58,658 INFO org.apache.hadoop.yarn.event.AsyncDispatcher: Registering class org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.LocalizerEventType for class org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerTracker
2015-07-16 15:28:58,711 WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices: The Auxilurary Service named 'mapreduce_shuffle' in the configuration is for class class org.apache.hadoop.mapred.ShuffleHandler which has a name of 'httpshuffle'. Because these are not the same tools trying to send ServiceData and read Service Meta Data may have issues unless the refer to the name in the config.
解决方法
删除部分没用的数据 让磁盘已用容量下降到90%一下
2015-07-16 15:29:06,808 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Notifying ContainerManager to unblock new container-requests
2015-07-16 15:38:58,817 INFO org.apache.hadoop.yarn.server.nodemanager.DirectoryCollection: Directory /opt/beh/data/yarn/nmlocal passed disk check, adding to list of valid directories.
2015-07-16 15:38:58,821 INFO org.apache.hadoop.yarn.server.nodemanager.DirectoryCollection: Directory /opt/beh/logs/yarn/nmlogs passed disk check, adding to list of valid directories.
2015-07-16 15:38:58,821 INFO org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService: Disk(s) turned good: 1/1 local-dirs are good: /opt/beh/data/yarn/nmlocal; 1/1 log-dirs are good: /opt/beh/logs/yarn/nmlogs
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