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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4579) StorageDirectory is not removed from the storage directories list when writing to an edits fails
Date Sat, 22 Nov 2008 06:52:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649902#action_12649902
] 

Hadoop QA commented on HADOOP-4579:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12393343/hadoop4579.patch
  against trunk revision 719787.

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +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 warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3627/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3627/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3627/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3627/console

This message is automatically generated.

> StorageDirectory is not removed from the storage directories list when writing to an
edits fails
> ------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4579
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4579
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>             Fix For: 0.20.0
>
>         Attachments: hadoop4579.patch
>
>
> If there is an IO Error on any log operations the directory should be removed from the
list of active storage directories.
> when it happens function FSEditLog:processIOError() is called.
> in this function:
> ....
> File parentStorageDir = ((EditLogFileOutputStream)editStreams.get(index)).getFile().getParentFile().getParentFile();
          --  which returns root 
> ....
> fsimage.processIOErrors(parentStorageDir);
> ...
> which calles FSImage:ProcessIOErrors(dir).
> but when dir is compared against list of storage dirs getParent is used instead of getPath()

> so the match is never found.
> ....
>  if (sd.getRoot().getPath().equals(dirName.getParent())) {                       - should
be dirName.getPath()
> .....

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