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From "Erik B. Craig (JIRA)" <>
Subject [jira] Updated: (GERONIMO-3441) Server monitoring and management
Date Wed, 26 Sep 2007 13:59:50 GMT


Erik B. Craig updated GERONIMO-3441:


Updated to exploit the new features we've implemented in the mrc-server side. Now utilizing
the JSR77 stats that are being tracked, as well as is now far more dynamic than previously.
Currently able to display any timeframe from (2*snapshotduration) all the way to indefinite...
as passed as a time value in minutes in the JSP.

The client side will fill in 'gaps' in the snapshot data with 'dummy data' (zeros) to account
for periods in which the snapshot thread was not running of the server was stopped. It will
also place dummy data on the left side of the graph in the instance where there is not enough
data to generate the desired timeframe, so that the graph is still as expected. This will
be improved to indicate periods where the stats collection was not functional with some highlighting.

The client side is now fully dynamic in retrieving what stats to graph from the server side,
and can display based on selective mbeans.

In the future this functionality will be further extended through the use of a configuration
page/file on the client side to manipulate the axis labels for specific graphs, as well as
enable or disable the drawing of specific graphs without disabling the statistics collection
for that piece of data

The client side has also been updated to be deployable on Paul's most recent plugable admin
console on current 2.1 trunk.

> Server monitoring and management
> --------------------------------
>                 Key: GERONIMO-3441
>                 URL:
>             Project: Geronimo
>          Issue Type: New Feature
>      Security Level: public(Regular issues) 
>          Components: general
>    Affects Versions: 2.1
>         Environment: All
>            Reporter: Erik B. Craig
>            Assignee: Erik B. Craig
>         Attachments:,, screenshot1.jpg, screenshot2.jpg,
> Currently, there is not a good way of surfacing Geronimo's server information so that
an administrator can monitor the server's status. The architecture of using MBeans is established,
but not fully exploited. This enhancement will take advantage of what Geronimo currently offers
and extend it so that a server can tap into a cluster of servers and extract information from
specific Geronimo servers or even aggregates of Geronimo servers.
> The goal is to have one machine be able to reach out to all Geronimo servers in order
to fetch data or even alter their state. This will be especially useful in the case of someone
having to monitor a large number of Geronimo servers.
> Viet Nguyen and myself have completed a bit of framework towards this goal, to be attached
to this jira
> In-depth information can be found in the confluence wiki here

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