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Re: An Idea for allowing easy Instrumentation of Java programs into PCP

To: Paul Smith <psmith@xxxxxxxxxx>
Subject: Re: An Idea for allowing easy Instrumentation of Java programs into PCP via Jolokia and/or DropWizard Metrics
From: fche@xxxxxxxxxx (Frank Ch. Eigler)
Date: Fri, 09 Jan 2015 15:22:31 -0500
Cc: pcp@xxxxxxxxxxx
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <39D1B977-44A0-4CEB-9D78-C30AAA48E10B@xxxxxxxxxx> (Paul Smith's message of "Wed, 7 Jan 2015 13:30:43 +1100")
References: <39D1B977-44A0-4CEB-9D78-C30AAA48E10B@xxxxxxxxxx>
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)
psmith wrote:

> [...]  1) I have a Java app not under my source control I'd really
> like to instrument into PCP [...]  For this simple/general case I
> now think a the best & easiest approach is to use Jolokia (see [1])
> via it's agent mechanism (see [2]).  Jolokia is an awesome library
> that allows exposure of Java JMX objects within a running JVM
> process via a really nice RESTful API.  [...]

Thanks a lot!  This general approach (embracing JMX) has been
appealing for some time; it's nice to hear confirmation from a pro.

- FChE

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