[jira] [Created] (YARN-8444) NodeResourceMonitor crashes on bad swapFree value

["Jim Brennan (JIRA)" <ji...@apache.org>]

Jim Brennan created YARN-8444:
---------------------------------

             Summary: NodeResourceMonitor crashes on bad swapFree value
                 Key: YARN-8444
                 URL: https://issues.apache.org/jira/browse/YARN-8444
             Project: Hadoop YARN
          Issue Type: Bug
    Affects Versions: 3.0.2, 2.8.3
            Reporter: Jim Brennan
            Assignee: Jim Brennan


Saw this on a node that was having difficulty preempting containers. Can't have NodeResourceMonitor exiting. System was above 99% memory used at the time so it may only be something that happens when normal preemption isn't work right, but we should fix since this is a critical monitor to the health of the node.

 

{noformat}
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
{noformat}



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