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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2041) Some mtimes and atimes are lost when edit logs are replayed
Date Fri, 10 Jun 2011 00:05:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046931#comment-13046931
] 

Hadoop QA commented on HDFS-2041:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12481995/hdfs-2041.txt
  against trunk revision 1134124.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these core unit tests:
                  org.apache.hadoop.cli.TestHDFSCLI

    +1 contrib tests.  The patch passed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/758//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/758//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/758//console

This message is automatically generated.

> Some mtimes and atimes are lost when edit logs are replayed
> -----------------------------------------------------------
>
>                 Key: HDFS-2041
>                 URL: https://issues.apache.org/jira/browse/HDFS-2041
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: hdfs-2041.txt, hdfs-2041.txt
>
>
> The refactoring in HDFS-2003 allowed findbugs to expose two potential bugs:
> - the atime field logged with OP_MKDIR is unused
> - the timestamp field logged with OP_CONCAT_DELETE is unused
> The concat issue is definitely real. The atime for MKDIR might always be identical to
mtime in that case, in which case it could be ignored.

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