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https://issues.apache.org/jira/browse/HDFS-7888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14389406#comment-14389406
 ] 

Hadoop QA commented on HDFS-7888:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12708465/HDFS-7888-trunk-002.patch
  against trunk revision 79f7f2a.

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include 
any new or modified tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    {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-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.namenode.TestCheckpoint

                                      The following test timeouts occurred in 
hadoop-hdfs-project/hadoop-hdfs:

org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager

Test results: 
https://builds.apache.org/job/PreCommit-HDFS-Build/10130//testReport/
Console output: 
https://builds.apache.org/job/PreCommit-HDFS-Build/10130//console

This message is automatically generated.

> Change DataStreamer/DFSOutputStream/DFSPacket for convenience of subclassing
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-7888
>                 URL: https://issues.apache.org/jira/browse/HDFS-7888
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Li Bo
>            Assignee: Li Bo
>         Attachments: HDFS-7888-001.patch, HDFS-7888-trunk-001.patch, 
> HDFS-7888-trunk-002.patch
>
>
> HDFS-7793 refactors class {{DFSOutputStream}} on trunk which makes 
> {{DFSOutputStream}} a class without any inner classes. We want to subclass 
> {{DFSOutputStream}} to support striping layout writing. This JIRA depends 
> upon HDFS-7793 and tries to change DataStreamer/DFSOutputStream/DFSPacket for 
> convenience of subclassing.



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