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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2003) Separate FSEditLog reading logic from editLog memory state building logic
Date Wed, 08 Jun 2011 02:13:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045754#comment-13045754
] 

Hadoop QA commented on HDFS-2003:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12481764/hdfs-2003.txt
  against trunk revision 1133225.

    +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 appears to introduce 2 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/738//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/738//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/738//console

This message is automatically generated.

> Separate FSEditLog reading logic from editLog memory state building logic
> -------------------------------------------------------------------------
>
>                 Key: HDFS-2003
>                 URL: https://issues.apache.org/jira/browse/HDFS-2003
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: Edit log branch (HDFS-1073)
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>             Fix For: Edit log branch (HDFS-1073)
>
>         Attachments: 2003-delta.txt, HDFS-2003.diff, HDFS-2003.diff, HDFS-2003.diff,
HDFS-2003.diff, HDFS-2003.diff, hdfs-2003.txt, hdfs-2003.txt, hdfs-2003.txt
>
>
> Currently FSEditLogLoader has code for reading from an InputStream interleaved with code
which updates the FSNameSystem and FSDirectory. This makes it difficult to read an edit log
without having a whole load of other object initialised, which is problematic if you want
to do things like count how many transactions are in a file etc. 
> This patch separates the reading of the stream and the building of the memory state.


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