Details
Major Description
Saw this on a node that was running out of memory. Can't have NodeResourceMonitor exiting. System was above 99% memory used at the time, so this is not a common occurrence, but we should fix since this is a critical monitor to the health of the node.
2018-06-04 14:28:08,539 [Container Monitor] DEBUG ContainersMonitorImpl.audit: Memory usage of ProcessTree 110564 for container-id container_e24_1526662705797_129647_01_004791: 2.1 GB of 3.5 GB physical memory used; 5.0 GB of 7.3 GB virtual memory used 2018-06-04 14:28:10,622 [Node Resource Monitor] ERROR yarn.YarnUncaughtExceptionHandler: Thread Thread[Node Resource Monitor,5,main] threw an Exception. java.lang.NumberFormatException: For input string: "18446744073709551596" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Long.parseLong(Long.java:592) at java.lang.Long.parseLong(Long.java:631) at org.apache.hadoop.util.SysInfoLinux.readProcMemInfoFile(SysInfoLinux.java:257) at org.apache.hadoop.util.SysInfoLinux.getAvailablePhysicalMemorySize(SysInfoLinux.java:591) at org.apache.hadoop.util.SysInfoLinux.getAvailableVirtualMemorySize(SysInfoLinux.java:601) at org.apache.hadoop.yarn.util.ResourceCalculatorPlugin.getAvailableVirtualMemorySize(ResourceCalculatorPlugin.java:74) at org.apache.hadoop.yarn.server.nodemanager.NodeResourceMonitorImpl$MonitoringThread.run(NodeResourceMonitorImpl.java:193) 2018-06-04 14:28:30,747 [org.apache.hadoop.util.JvmPauseMonitor$Monitor@226eba67] INFO util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 9330ms