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From Costin Manolache <cos...@gmail.com>
Subject Re: jk/cluster - intelligent systems load
Date Fri, 19 Feb 2010 18:11:19 GMT
On Fri, Feb 19, 2010 at 8:51 AM, jean-frederic clere <jfclere@gmail.com>wrote:

> On 02/19/2010 05:19 PM, Mladen Turk wrote:
> > On 02/19/2010 05:06 PM, Henri Gomez wrote:
> >>> Not a mod_proxy guru, but filtering X-header from responses should be
> >>> near
> >>> trivial based on past experience with the proxy code.
> >>
> >>
> >> There is the GPL licence 'problem' of the Hyperic lib which should be
> >> 'solved' isn't ?
> >>
> >
> > Tomcat Native already has some capabilities that
> > can provide system not JVM options like CPU and Memory
> > load on the box itself. For loadbalancing stuff
> > this is all that is needed thought.
> > Some of those are even displayed on status page
> > when it's loaded in inside the Tomcat.
>
> Additionally JAVA6 provide stats information on the JVM.
>
>

My preference would be to use the servlet - maybe enhance the
JMXProxyServlet, which dumps all
JMX information. The current format is relatively easy to parse - but can be
made simpler, and you
could add some parameter to select a subset of the mbeans.
On Linux you can also grab a lot of stuff from /proc, and wrap it in a mbean
or the servlet.

Costin

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