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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6066) logGenerationStamp is not needed to reduce editlog size
Date Sat, 08 Mar 2014 09:43:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13924778#comment-13924778
] 

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/12633529/HDFS-6066-trunk.2.patch
  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 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
1.3.9) warnings.

        {color:red}-1 release audit{color}.  The applied patch generated 1 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.ha.TestHASafeMode

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6356//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/6356//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6356//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
>             Fix For: 3.0.0
>
>         Attachments: HDFS-6066-trunk.1.patch, HDFS-6066-trunk.2.patch, HDFS-6066-trunk.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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