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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13426) More efficiently build IPC responses
Date Wed, 03 Aug 2016 15:01:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406030#comment-15406030
] 

Hudson commented on HADOOP-13426:
---------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #10201 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10201/])
HADOOP-13426. More efficiently build IPC responses. Contributed by Daryn (kihwal: rev 2d8227605fe22c1c05f31729edc8939013763c05)
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ResponseBuffer.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestResponseBuffer.java


> More efficiently build IPC responses
> ------------------------------------
>
>                 Key: HADOOP-13426
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13426
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 2.9.0, 3.0.0-alpha2
>
>         Attachments: HADOOP-13426.1.patch, HADOOP-13426.patch
>
>
> The call response buffer is allowed to dynamically grow until a max size is reached.
 Often times the full size of the response can be known in advance which avoids copies.  This
is very advantageous for large responses.
> Automatic framing of the response buffer will also prevent unnecessary allocations and
copies when the size is/isn't known.



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