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From "zhihai xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3628) ContainerMetrics should support always-flush mode.
Date Wed, 13 May 2015 05:28:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhihai xu updated YARN-3628:
----------------------------
    Attachment:     (was: YARN-3628.000.patch)

> ContainerMetrics should support always-flush mode.
> --------------------------------------------------
>
>                 Key: YARN-3628
>                 URL: https://issues.apache.org/jira/browse/YARN-3628
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-3628.000.patch
>
>
> ContainerMetrics should support always-flush mode.
> It will be good to set ContainerMetrics as always-flush mode if yarn.nodemanager.container-metrics.period-ms
is configured as 0.
> Currently both 0 and -1 mean flush on completion.
> Also 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.
> The default value for yarn.nodemanager.container-metrics.period-ms should not be -1.
> 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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