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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-665) TestFileAppend2 sometimes hangs
Date Wed, 30 Sep 2009 20:14:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760990#action_12760990

Hairong Kuang commented on HDFS-665:

     [exec] +1 overall.
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
     [exec]                         Please justify why no new tests are needed for this patch.
     [exec]                         Also please list what manual steps were performed to verify
this patch.
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec] ======================================================================
     [exec] ======================================================================
     [exec]     Finished build.
     [exec] ======================================================================
     [exec] ======================================================================
TestFileAppend2 passed with this patch. So no new testcase is needed.

> TestFileAppend2 sometimes hangs
> -------------------------------
>                 Key: HDFS-665
>                 URL: https://issues.apache.org/jira/browse/HDFS-665
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node
>    Affects Versions: Append Branch
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: Append Branch
>         Attachments: replicaLen.patch
> FileAppend2 sometimes hangs on not able to complete a file. It turns out that sometimes
DataNode reports a wrong replica length to NameNode thus NameNode marks it as corrupt. The
file is not able to be closed because there is no good replica.

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