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https://issues.apache.org/jira/browse/YARN-3513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534846#comment-14534846
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Devaraj K commented on YARN-3513:
---------------------------------
Thanks [~Naganarasimha] for the patch.
{code:xml}
+ if (LOG.isDebugEnabled()) {
+ // Accounting the total memory in usage for all containers
+ vmemUsageByAllContainers += currentVmemUsage;
+ pmemByAllContainers += currentPmemUsage;
+ // Accounting the total cpu usage for all containers
+ cpuUsagePercentPerCoreByAllContainers += cpuUsagePercentPerCore;
+ cpuUsageTotalCoresByAllContainers += cpuUsagePercentPerCore;
+ }
{code}
Here resource usage calculations happen only when the debug log is enabled,
users can change the log level any time using the below command.
{code:xml}
[devaraj@server2 bin]$ ./yarn daemonlog
Usage: General options are:
[-getlevel <host:httpPort> <classname>]
[-setlevel <host:httpPort> <classname> <level>]
{code}
These values may go wrong when the user changes the log level while Node
Manager running.
> Remove unused variables in ContainersMonitorImpl and add debug log for
> overall resource usage by all containers
> ----------------------------------------------------------------------------------------------------------------
>
> Key: YARN-3513
> URL: https://issues.apache.org/jira/browse/YARN-3513
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
> Priority: Trivial
> Labels: BB2015-05-TBR, newbie
> Attachments: YARN-3513.20150421-1.patch, YARN-3513.20150503-1.patch,
> YARN-3513.20150506-1.patch, YARN-3513.20150507-1.patch,
> YARN-3513.20150508-1.patch, YARN-3513.20150508-1.patch
>
>
> Some local variables in MonitoringThread.run() : {{vmemStillInUsage and
> pmemStillInUsage}} are not used and just updated.
> Instead we need to add debug log for overall resource usage by all containers
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