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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15253) Should update maxQueueSize when refresh call queue
Date Tue, 20 Mar 2018 21:53:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16407111#comment-16407111

Konstantin Shvachko commented on HADOOP-15253:

+1 this looks good. Will commit in a bit.
What is the target version for this?

> 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
> 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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