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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2797) Withdraw CRC upgrade from HDFS
Date Tue, 29 Apr 2008 20:02:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593094#action_12593094

Hadoop QA commented on HADOOP-2797:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision 645773.

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

    tests included +1.  The patch appears to include 10 new or modified tests.

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

    javac +1.  The applied patch does not generate any new javac compiler warnings.

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs -1.  The patch appears to introduce 1 new Findbugs warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2338/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2338/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2338/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2338/console

This message is automatically generated.

> Withdraw CRC upgrade from HDFS
> ------------------------------
>                 Key: HADOOP-2797
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2797
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.13.0
>            Reporter: Robert Chansler
>            Assignee: Raghu Angadi
>            Priority: Critical
>         Attachments: HADOOP-2797.patch, HADOOP-2797.patch, HADOOP-2797.patch
> HDFS will no longer support upgrades from versions without CRCs for block data. Users
upgrading from version 0.13 or earlier must first upgrade to an intermediate (0.14, 0.15,
0.16, 0.17) version before upgrade to 0.18 or later.

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