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https://issues.apache.org/jira/browse/YARN-5890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15706139#comment-15706139
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Daniel Templeton commented on YARN-5890:
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Thanks for the update, [~yufeigu]. Looks good. I like the assert messages.
After taking a closer look at the patch, I have one outstanding concern: can
you explain this math to me? {{Math.abs(maxAMShare - -1.0f}} Why subtract -1
instead of adding 1? Why subtract -1 at all?
> FairScheduler should log information about AM-resource-usage and max-AM-share
> for queues
> ----------------------------------------------------------------------------------------
>
> Key: YARN-5890
> URL: https://issues.apache.org/jira/browse/YARN-5890
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Attachments: YARN-5890.001.patch, YARN-5890.002.patch,
> YARN-5890.003.patch, YARN-5890.004.patch
>
>
> There are several cases where jobs in a queue or stuck likely because of
> maxAMShare. It is hard to debug these issues without any information.
> At the very least, we need to log both AM-resource-usage and max-AM-share for
> queues.
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