Ivan Kelly updated ZOOKEEPER-773:

    Status: Open  (was: Patch Available)

going to resubmit

> 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
>         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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