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https://issues.apache.org/jira/browse/HADOOP-15253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16407345#comment-16407345
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Tao Jie commented on HADOOP-15253:
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Thank you [~xyao] for your comment. I improved the hard code in patch 004.
> Should update maxQueueSize when refresh call queue
> --------------------------------------------------
>
> Key: HADOOP-15253
> URL: https://issues.apache.org/jira/browse/HADOOP-15253
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.8.2
> Reporter: Tao Jie
> Assignee: Tao Jie
> Priority: Minor
> Attachments: HADOOP-15253.001.patch, HADOOP-15253.002.patch,
> HADOOP-15253.003.patch, HADOOP-15253.004.patch
>
>
> When calling {{dfsadmin -refreshCallQueue}} to update CallQueue instance,
> {{maxQueueSize}} should also be updated.
> In case of changing CallQueue instance to FairCallQueue, the length of each
> queue in FairCallQueue would be 1/priorityLevels of original length of
> DefaultCallQueue. So it would be helpful for us to set the length of
> callqueue to a proper value.
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