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Posted to common-issues@hadoop.apache.org by "Jim Donofrio (JIRA)" <ji...@apache.org> on 2012/05/05 20:37:52 UTC

[jira] [Commented] (HADOOP-8323) Revert HADOOP-7940 and improve javadocs and test for Text.clear()

    [ https://issues.apache.org/jira/browse/HADOOP-8323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269031#comment-13269031 ] 

Jim Donofrio commented on HADOOP-8323:
--------------------------------------

Shouldnt HADOOP-7940 get reverted before the 2.0.0-alpha1 release?
                
> 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
>
>
> 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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