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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11226) Add a configuration to set ipc.Client's traffic class with IPTOS_LOWDELAY|IPTOS_RELIABILITY
Date Tue, 10 Mar 2015 11:36:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14354751#comment-14354751
] 

Hudson commented on HADOOP-11226:
---------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #128 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/128/])
HADOOP-11226. Add a configuration to set ipc.Client's traffic class with IPTOS_LOWDELAY|IPTOS_RELIABILITY.
Contributed by Gopal V. (ozawa: rev 54639c7d7a34f4a46e8df50d57c79bab34b1ac07)
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
* hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java


> Add a configuration to set ipc.Client's traffic class with IPTOS_LOWDELAY|IPTOS_RELIABILITY
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11226
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11226
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 2.6.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>              Labels: Infiniband
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-11226.1.patch, HADOOP-11226.2.patch, HADOOP-11226.3.patch,
HADOOP-11226.4.patch, HADOOP-11226.5.patch
>
>
> During heavy shuffle, packet loss for IPC packets was observed from a machine.
> Avoid packet-loss and speed up transfer by using 0x14 QOS bits for the packets.



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