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https://issues.apache.org/jira/browse/HDFS-6066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14133381#comment-14133381
 ] 

Hadoop QA commented on HDFS-6066:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12633573/HDFS-6066-trunk.3.patch
  against trunk revision 14e2639.

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 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-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract
                  
org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover

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

Test results: 
https://builds.apache.org/job/PreCommit-HDFS-Build/8023//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8023//console

This message is automatically generated.

> logGenerationStamp is not needed to reduce editlog size
> -------------------------------------------------------
>
>                 Key: HDFS-6066
>                 URL: https://issues.apache.org/jira/browse/HDFS-6066
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: chenping
>            Priority: Minor
>         Attachments: HDFS-6066-trunk.1.patch, HDFS-6066-trunk.2.patch, 
> HDFS-6066-trunk.3.patch
>
>
> almost every logGenerationStamp has a logAddBlock followed, so we can get the 
> newest gs from the logAddBlock operation indirectly.this will reduce the edit 
> log size.



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