Hadoop 纱线：字数图减少作业卡住
这是一个常见的问题，但我仍然无法解决它 wc mapred作业在map处阻塞并减少0% 下面是节点管理器日志Hadoop 纱线：字数图减少作业卡住,hadoop,mapreduce,yarn,word-count,Hadoop,Mapreduce,Yarn,Word Count,这是一个常见的问题，但我仍然无法解决它 wc mapred作业在map处阻塞并减少0% 下面是节点管理器日志 ----------------------------------------------------- Log start ----------------------------------------- 015-11-23 10:15:18,789 INFO org.apache.spark.network.yarn.YarnShuffleService: Started YA
----------------------------------------------------- Log start -----------------------------------------
015-11-23 10:15:18,789 INFO org.apache.spark.network.yarn.YarnShuffleService: Started YARN shuffle service for Spark on port 7337. Authentication is not enabled. Registered executor file is /yarn/nm/registeredExecutors.ldb
2015-11-23 10:15:18,804 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl: Using ResourceCalculatorPlugin : org.apache.hadoop.yarn.util.LinuxResourceCalculatorPlugin@6b2d2828
2015-11-23 10:15:18,804 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl: Using ResourceCalculatorProcessTree : null
2015-11-23 10:15:18,804 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl: Physical memory check enabled: true
2015-11-23 10:15:18,804 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl: Virtual memory check enabled: false
2015-11-23 10:15:18,815 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Initialized nodemanager for null: physical-memory=1024 virtual-memory=2151 virtual-cores=2
2015-11-23 10:15:18,816 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService: org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService waiting for pending aggregation during exit
2015-11-23 10:15:18,819 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NodeManager metrics system...
2015-11-23 10:15:18,820 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system stopped.
2015-11-23 10:15:18,821 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system shutdown complete.
2015-11-23 10:15:18,821 INFO org.apache.hadoop.yarn.server.nodemanager.NodeManager: SHUTDOWN_MSG:
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ContainersMonitorImpl: Using ResourceCalculatorProcessTree : null