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https://issues.apache.org/jira/browse/YARN-6326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15922860#comment-15922860
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Robert Kanter commented on YARN-6326:
-------------------------------------
Seems fine overall; some minor things:
# whitespace as reported by Jenkins
# This code gets called a lot, I think we should make it a method so we can
reduce code duplication:
{code:java}
FSAppAttempt appAttempt = (FSAppAttempt) app.getCurrentAppAttempt();
if (appAttempt != null) {
return appAttempt.getFairShare().getVirtualCores();
} else {
return 0;
}
{code}
# It seems funny to change the {{ResourceScheduler}} in
{{ResourceSchedulerWrapper}} to {{AbstractYarnScheduler}}.
> Shouldn't use AppAttemptIds to fetch applications while AM Simulator tracks
> app in SLS
> --------------------------------------------------------------------------------------
>
> Key: YARN-6326
> URL: https://issues.apache.org/jira/browse/YARN-6326
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler-load-simulator
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Attachments: YARN-6326.001.patch
>
>
> This causes a NPE issue. Beside the NPE, the metrics won't reflect the
> different attempts. We should pass ApplicationId Instead of AppAttemptId.
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