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