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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6956) Allow dynamically changing the tracing level in Hadoop servers
Date Tue, 23 Sep 2014 21:36:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145487#comment-14145487
] 

Hadoop QA commented on HDFS-6956:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12670549/HDFS-6956.004.patch
  against trunk revision 5338ac4.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.ha.TestZKFailoverControllerStress
                  org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover
                  org.apache.hadoop.hdfs.TestEncryptionZonesWithKMS
                  org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8167//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8167//console

This message is automatically generated.

> Allow dynamically changing the tracing level in Hadoop servers
> --------------------------------------------------------------
>
>                 Key: HDFS-6956
>                 URL: https://issues.apache.org/jira/browse/HDFS-6956
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-6956.002.patch, HDFS-6956.003.patch, HDFS-6956.004.patch
>
>
> We should allow users to dynamically change the tracing level in Hadoop servers.  The
easiest way to do this is probably to have an RPC accessible only to the superuser that changes
tracing settings.  This would allow us to turn on and off tracing on the NameNode, DataNode,
etc. at runtime.



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