I'm guessing your monitoring code is in a nice separate module that could be
used outside of openejb for monitoring anyway?

On 10 May 2010 02:26, David Blevins <[email protected]> wrote:

>
> On May 6, 2010, at 9:01 AM, David Blevins wrote:
>
> > The result is something exposes a nice clean view like this one:
> >
> >
> https://issues.apache.org/jira/secure/attachment/12443866/jmx-monitoring.png
> >
> > That's the view of our stateless pool stats via JConsole.
> >
> > Still have a few "wires" to hookup, but it's looking good.  Next part
> will be getting stats for each method invocation on a bean.
>
> Bean method stats are mostly in (same as above, need to hook them in).  As
> monitoring methods can get expensive, I added an @Monitor annotation that
> allows people to annotate the methods of their bean to elect which should be
> monitored and how much of a sample size to keep for each method.  The
> annotation can be used at the class level as well to enable monitoring for
> all methods of the bean.
>
> So here's the view of a fully monitored class:
>
>
> https://issues.apache.org/jira/secure/attachment/12444073/jmx-invocations-all-stats.png
>
> As that can be a lot to chew on and I am a grep addict, I thought it might
> be nice to offer a standard operation on all our MBeans that allow you to
> filter (essentially grep) the MBean attributes.  Here's an example of it
> being used to filter out all attributes except those for the "red()" method:
>
>
> https://issues.apache.org/jira/secure/attachment/12444074/jmx-invocations-filter-a1.png
>
> And the resulting MBean attributes, post filtering.  With JConsole at
> least, it seems you have to disconnect and reconnect to force it to reload
> the MBean definition.
>
>
> https://issues.apache.org/jira/secure/attachment/12444075/jmx-invocations-filter-a2.png
>
> Here's another example if it being used to filter out all but the "Count"
> attributes, which allows us to see which methods are invoked the most.
>
>
> https://issues.apache.org/jira/secure/attachment/12444076/jmx-invocations-filter-b1.png
>
> https://issues.apache.org/jira/secure/attachment/12444077/jmx-invocations-filter-b2.png
>
>
> -David
>
>

Reply via email to