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https://issues.apache.org/jira/browse/YARN-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhihai xu updated YARN-3628:
----------------------------
    Attachment: YARN-3628.000.patch

> The default value for yarn.nodemanager.container-metrics.period-ms should not 
> be -1.
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-3628
>                 URL: https://issues.apache.org/jira/browse/YARN-3628
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>            Priority: Minor
>         Attachments: YARN-3628.000.patch
>
>
> The default value for yarn.nodemanager.container-metrics.period-ms should not 
> be -1.
> The current default value for yarn.nodemanager.container-metrics.period-ms is 
> -1 and the default value  for yarn.nodemanager.container-metrics.enable is 
> true. So the empty content is shown for the active container metrics until it 
> is finished.
> flushOnPeriod is always false if flushPeriodMs is -1,
> the content will only be shown when the container is finished.
> {code}
>     if (finished || flushOnPeriod) {
>       registry.snapshot(collector.addRecord(registry.info()), all);
>     }
> {code}



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