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Date: Thu, 10 Mar 2011 23:14:03 +0000 (UTC)
From: "Jitendra Nath Pandey (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] Commented: (HDFS-1746) Hdfs Federation: TestFileAppend3
 fails intermittently.
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    [ https://issues.apache.org/jira/browse/HDFS-1746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005388#comment-13005388 ] 

Jitendra Nath Pandey commented on HDFS-1746:
--------------------------------------------

-1 overall.  

    +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 new tests are needed for this patch.
                        Also please list what manual steps were performed to verify 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 (version 1.3.9) warnings.

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

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

This patch fixes an existing test failure, therefore no new tests added.

> Hdfs Federation: TestFileAppend3 fails intermittently.
> ------------------------------------------------------
>
>                 Key: HDFS-1746
>                 URL: https://issues.apache.org/jira/browse/HDFS-1746
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: Federation Branch
>            Reporter: Jitendra Nath Pandey
>            Assignee: Jitendra Nath Pandey
>             Fix For: Federation Branch
>
>         Attachments: HDFS-1746.1.patch
>
>
> TestFileAppend3 fails intermittently in the branch. The issue is that FSDataset#recoverCheck calls getReplicaInfo which also matches the generation stamp during pipeline recovery. The fix is to make sure generation stamp is not checked while replica lookup in this case as it is done in the trunk code. The generation stamp check is done later in recoverCheck method.

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