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From "Patrick Hunt (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-773) Log visualisation
Date Fri, 04 Jun 2010 16:41:09 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12875655#action_12875655

Patrick Hunt commented on ZOOKEEPER-773:

$ dpkg -l xul-ext*
No packages found matching xul-ext*.

$ dpkg -l firefox*
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                   Version                Description
ii  firefox                3.5.9+nobinonly-0ubunt meta package for the popular mozilla web
un  firefox-2              <none>                 (no description available)
un  firefox-3.0            <none>                 (no description available)
un  firefox-3.0-branding   <none>                 (no description available)
un  firefox-3.0-dom-inspec <none>                 (no description available)
un  firefox-3.0-gnome-supp <none>                 (no description available)
un  firefox-3.0-venkman    <none>                 (no description available)
un  firefox-3.1            <none>                 (no description available)
un  firefox-3.1-branding   <none>                 (no description available)
un  firefox-3.1-gnome-supp <none>                 (no description available)
ii  firefox-3.5            3.5.9+nobinonly-0ubunt safe and easy web browser from Mozilla
ii  firefox-3.5-branding   3.5.9+nobinonly-0ubunt Package that ships the firefox branding
ii  firefox-3.5-gnome-supp 3.5.9+nobinonly-0ubunt Support for Gnome in Mozilla Firefox
un  firefox-dom-inspector  <none>                 (no description available)
ii  firefox-gnome-support  3.5.9+nobinonly-0ubunt meta package pointing to the latest gnome-support
package fo

> 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.binaries.tgz, 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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