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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2943) Expose last checkpoint time and transaction stats as JMX metrics
Date Tue, 14 Feb 2012 04:22:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13207493#comment-13207493
] 

Hadoop QA commented on HDFS-2943:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12514438/HDFS-2943.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

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

    -1 javac.  The applied patch generated 21 javac compiler warnings (more than the trunk's
current 20 warnings).

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +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 core tests.  The patch failed these unit tests:
                  org.apache.hadoop.hdfs.server.namenode.TestListCorruptFileBlocks

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1867//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1867//console

This message is automatically generated.
                
> Expose last checkpoint time and transaction stats as JMX metrics
> ----------------------------------------------------------------
>
>                 Key: HDFS-2943
>                 URL: https://issues.apache.org/jira/browse/HDFS-2943
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: name-node
>    Affects Versions: 0.23.1
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-2943.patch
>
>
> I think we should expose at least the following:
> * Last checkpoint time
> * Transactions since last checkpoint
> * Last written transaction

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