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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2373) Name node silently changes state
Date Thu, 20 Mar 2008 14:45:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12580781#action_12580781
] 

Hadoop QA commented on HADOOP-2373:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12378263/SafeModeReport1.patch
against trunk revision 619744.

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

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

    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 does not introduce any new Findbugs warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2011/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2011/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2011/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2011/console

This message is automatically generated.

> Name node silently changes state
> --------------------------------
>
>                 Key: HADOOP-2373
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2373
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.16.0
>            Reporter: Robert Chansler
>            Assignee: Konstantin Shvachko
>             Fix For: 0.17.0
>
>         Attachments: SafeModeReport.patch, SafeModeReport1.patch
>
>
> 1. The name node should create a log message when entering the "extension" period of
safe mode after achieving the minimal replication threshold.
> Logging state changes is a Good Idea. When diagnosing 2159, there is no evidence whether
the name node is in the extension period or not.
> 2. When in safe mode, the name node should periodically explain _why_ it is still in
safe mode. (2159 again)

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