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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-773) Log visualisation
Date Tue, 01 Jun 2010 17:11:40 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874112#action_12874112
] 

Hadoop QA commented on ZOOKEEPER-773:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12445568/ZOOKEEPER-773.diff
  against trunk revision 947063.

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

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

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/111/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/111/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/111/console

This message is automatically generated.

> Log visualisation
> -----------------
>
>                 Key: ZOOKEEPER-773
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-773
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: contrib
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>            Priority: Minor
>             Fix For: 3.4.0
>
>         Attachments: ZOOKEEPER-773.diff
>
>
> Zkgraph is a log viewer for zookeeper. It can handle transaction logs and message logs.
There are currently two view.
>  
>   a) Server view
>      The server view shows the interactions between the different servers in an ensemble.
The X axis represents time. 
>         * Exceptions show up as red dots. Hovering your mouse over them will give you
more details of the exception
> 	* The colour of the line represents the election state of the server. 
> 	   - orange means LOOKING for leader
> 	   - dark green means the server is the leader
> 	   - light green means the server is following a leader
> 	   - yellow means there isn't enough information to determine the state of the server.

> 	* The gray arrows denote election messages between servers. Pink dashed arrows are messages
that were sent but never delivered.
>    b) Session view
>       The session view shows the lifetime of sessions on a server. Use the time filter
to narrow down the view. Any more than about 2000 events will take a long time to view in
your browser. 
>       The Y axis represents time in this case. Each line is a session. The black dots
represent events on the session. You can click on the black dots for more details of the event.
> 2 - Compiling & Running
> Run "ant jar" in src/contrib/zkgraph/. This will download all dependencies and compile
all the zkgraph code.
> Once compilation has finished, you can run it the the zkgraph.sh script in src/contrib/zkgraph/bin.
This will start and embedded web server on you machine. Navigate to http://localhost:8182/graph/main.html.

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