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https://issues.apache.org/jira/browse/HADOOP-17165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17183071#comment-17183071
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Takanobu Asanuma commented on HADOOP-17165:
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Sorry for late, [~csun]. I created PR. It is addressing your review and
including a small improvement.
About dynamically refreshing, we may also be able to refresh other FCQ
parameters. I want to consider it on another jira.
> Implement service-user feature in DecayRPCScheduler
> ---------------------------------------------------
>
> Key: HADOOP-17165
> URL: https://issues.apache.org/jira/browse/HADOOP-17165
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
> Attachments: HADOOP-17165.001.patch, HADOOP-17165.002.patch,
> after.png, before.png
>
>
> In our cluster, we want to use FairCallQueue to limit heavy users, but not
> want to restrict certain users who are submitting important requests. This
> jira proposes to implement the service-user feature that the user is always
> scheduled high-priority queue.
> According to HADOOP-9640, the initial concept of FCQ has this feature, but
> not implemented finally.
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