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https://issues.apache.org/jira/browse/YARN-3284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14362134#comment-14362134
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Xuan Gong commented on YARN-3284:
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bq. For displaying application headroom for running applications( one of the
point in YARN-3273), it is required to expose applicationHeadroom field in the
ApplicationAttemptMetrics.java. Would you please mind adding this field in your
patch that helps retrieve headroom?
Added. But use the default value: Resource.newInstance(0,0). We could replace
it with the real value in YARN-3273
> Expose more ApplicationMetrics and ApplicationAttemptMetrics through YARN
> command
> ---------------------------------------------------------------------------------
>
> Key: YARN-3284
> URL: https://issues.apache.org/jira/browse/YARN-3284
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Attachments: YARN-3284.1.patch, YARN-3284.1.patch, YARN-3284.2.patch,
> YARN-3284.3.patch
>
>
> Current, we have some extra metrics about the application and current attempt
> in RM Web UI. We should expose that information through YARN Command, too.
> 1. Preemption metrics
> 2. application outstanding resource requests
> 3. container locality info
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