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Date: Sun, 6 May 2012 13:05:51 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HADOOP-8323) Revert HADOOP-7940 and improve
 javadocs and test for Text.clear()
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    [ https://issues.apache.org/jira/browse/HADOOP-8323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269209#comment-13269209 ] 

Hudson commented on HADOOP-8323:
--------------------------------

Integrated in Hadoop-Hdfs-trunk #1036 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1036/])
    HADOOP-8323. Revert HADOOP-7940, cause it may cause a performance regression. (harsh) (Revision 1334603)

     Result = FAILURE
harsh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1334603
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/Text.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java

                
> Revert HADOOP-7940 and improve javadocs and test for Text.clear()
> -----------------------------------------------------------------
>
>                 Key: HADOOP-8323
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8323
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 2.0.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Critical
>              Labels: performance
>         Attachments: HADOOP-8323.patch, HADOOP-8323.patch, HADOOP-8323.patch
>
>
> Per [~jdonofrio]'s comments on HADOOP-7940, we should revert it as it has caused a performance regression (for scenarios where Text is reused, popular in MR).
> The clear() works as intended, as the API also offers a current length API.

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