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https://issues.apache.org/jira/browse/HADOOP-8323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265116#comment-13265116
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Tsz Wo (Nicholas), SZE commented on HADOOP-8323:
------------------------------------------------
Hi Harsh,
You can do it by
{noformat}
$svn merge -c -1295061 .
--- Reverse-merging r1295061 into
'hadoop-common-project/hadoop-common/CHANGES.txt':
U hadoop-common-project/hadoop-common/CHANGES.txt
--- Reverse-merging r1295061 into '.':
U
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java
--- Reverse-merging r1295061 into
'hadoop-common-project/hadoop-common/src/main/java':
U
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/Text.java
{noformat}
Yes, the right thing is to first revert r1295061 and the commits to the
branches, and then commit the new javadoc/test changes.
> 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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