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https://issues.apache.org/jira/browse/YARN-8444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16520597#comment-16520597
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Eric Payne commented on YARN-8444:
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Thanks [~Jim_Brennan] for the work on this JIRA.
+1. I will commit soon
> 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: 2.8.3, 3.0.2
> Reporter: Jim Brennan
> Assignee: Jim Brennan
> Priority: Major
> Attachments: YARN-8444.001.patch
>
>
> 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.
>
> {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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