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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12916) Allow different Hadoop IPC Call Queue throttling policies with FCQ/BackOff
Date Sat, 26 Mar 2016 04:24:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15212789#comment-15212789
] 

ASF GitHub Bot commented on HADOOP-12916:
-----------------------------------------

GitHub user xiaoyuyao opened a pull request:

    https://github.com/apache/hadoop/pull/86

    HADOOP-12916

    Create a github PR for code review of v04 patch on the JIRA. 

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/xiaoyuyao/hadoop HADOOP-12916

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/hadoop/pull/86.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #86
    
----
commit 93cf7377980a69f8b5b22453419a95b58a19c2aa
Author: Xiaoyu Yao <xyao@apache.org>
Date:   2016-03-26T02:45:48Z

    HADOOP-12916.patch.04

----


> Allow different Hadoop IPC Call Queue throttling policies with FCQ/BackOff
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-12916
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12916
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>         Attachments: HADOOP-12916.00.patch, HADOOP-12916.01.patch, HADOOP-12916.02.patch,
HADOOP-12916.03.patch, HADOOP-12916.04.patch
>
>
> Currently back off policy from HADOOP-10597 is hard coded to base on whether call queue
is full. This ticket is open to allow flexible back off policies such as moving average of
response time in RPC calls of different priorities. 



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