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https://issues.apache.org/jira/browse/HADOOP-10855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065386#comment-14065386
 ] 

Hadoop QA commented on HADOOP-10855:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12656306/hadoop-10855.txt
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new 
or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with 
eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in 
hadoop-common-project/hadoop-common:

                  org.apache.hadoop.fs.shell.TestCopyPreserveFlag
                  org.apache.hadoop.fs.TestSymlinkLocalFSFileContext
                  org.apache.hadoop.fs.shell.TestTextCommand
                  org.apache.hadoop.ipc.TestIPC
                  org.apache.hadoop.fs.TestSymlinkLocalFSFileSystem
                  org.apache.hadoop.fs.shell.TestPathData
                  org.apache.hadoop.fs.TestDFVariations

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-HADOOP-Build/4305//testReport/
Console output: 
https://builds.apache.org/job/PreCommit-HADOOP-Build/4305//console

This message is automatically generated.

> Allow Text to be read with a known length
> -----------------------------------------
>
>                 Key: HADOOP-10855
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10855
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 2.6.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>         Attachments: hadoop-10855.txt, hadoop-10855.txt, hadoop-10855.txt
>
>
> For the native task work (MAPREDUCE-2841) it is useful to be able to store 
> strings in a different fashion than the default (varint-prefixed) 
> serialization. We should provide a "read" method in Text which takes an 
> already-known length to support this use case while still providing Text 
> objects back to the user.



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