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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1557) Separate Storage from FSImage
Date Thu, 23 Dec 2010 15:43:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12974641#action_12974641
] 

Hadoop QA commented on HDFS-1557:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12466886/HDFS-1557-trunk.diff
  against trunk revision 1052169.

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

    +1 tests included.  The patch appears to include 39 new or modified tests.

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

    -1 javac.  The patch appears to cause tar ant target to fail.

    -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.hdfs.server.namenode.TestSaveNamespace
                  org.apache.hadoop.hdfs.server.namenode.TestStorageRestore
                  org.apache.hadoop.hdfs.TestFileConcurrentReader

    -1 contrib tests.  The patch failed contrib unit tests.

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

Test results: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/42//testReport/
Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/42//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/42//console

This message is automatically generated.

> Separate Storage from FSImage
> -----------------------------
>
>                 Key: HDFS-1557
>                 URL: https://issues.apache.org/jira/browse/HDFS-1557
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: 0.21.0
>            Reporter: Ivan Kelly
>             Fix For: 0.23.0
>
>         Attachments: HDFS-1557-trunk.diff, HDFS-1557.diff
>
>
> FSImage currently derives from Storage and FSEditLog has to call methods directly on
FSImage to access the filesystem. This JIRA is to separate the Storage class out into NNStorage
so that FSEditLog is less dependent on FSImage. From this point, the other parts of the circular
dependency should be easy to fix.

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