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Subject: RE: 'Spread' for distributed testing
Date: Mon, 12 Nov 2007 18:43:44 +1100
Message-ID: <E5D178BFB0356B48A48B8330B29037210371515F@syd1exc04.CE.CORP>
Thread-Topic: 'Spread' for distributed testing
Thread-Index: AcgiD2kklRxWf2hwQ/CeHMixQeXKBAAWDE8w
From: "Sonam Chauhan" <sonam.chauhan@ce.com.au>
To: "JMeter Users List" <jmeter-user@jakarta.apache.org>

Sebb:=20

> It's mainly a problem because of the data volumes that are required. I
> don't see how changing the transport mechanism can change that.

I thought Spread had bandwidth throttling features so that logs entries
could queue up and stream in a bandwidth limited manner to the end
destination - however Spread may not have these features. A workaround
would be to setup virtual network interfaces limited to, say, 10 Mbps
and have the Spread components bind to those interfaces, but that may be
too much work. In any case, I've asked the question on the Spread user
list.=20

> > Is it possible to prototype this idea using a BeanShell listener?
>
>
> I think it would be difficult.
>
> Listeners are handled specially in client-server mode.

Thanks.

Kind regards,
Sonam Chauhan
--=20
Corporate Express Australia Ltd.=20
Phone: +61-2-93350725, Email: sonam.chauhan@ce.com.au

-----Original Message-----
From: sebb [mailto:sebbaz@gmail.com]=20
Sent: Friday, 9 November 2007 12:57 AM
To: JMeter Users List
Subject: Re: 'Spread' for distributed testing

In 08/11/2007, Sonam Chauhan <sonam.chauhan@ce.com.au> wrote:
> Just a thought - Would the 'Spread Toolkit' (http://www.spread.org/)
be
> useful in JMeter distributed testing?
>
>
>
> From the Spread website:
>
> Spread functions as a unified message bus for distributed
applications,
> and provides highly tuned application-level multicast, group
> communication, and point to point support.
>
>
>
> From what I understand, an existing problem in JMeter distributed
> testing is collating logs back to the master server, particularly when
> the logs capture extra information (e.g., the HTTP response). Perhaps
> using Spread could help in this? It has a Java API encapsulated in one
> package.
>

It's mainly a problem because of the data volumes that are required. I
don't see how changing the transport mechanism can change that.

>
> Is it possible to prototype this idea using a BeanShell listener?
>

I think it would be difficult.

Listeners are handled specially in client-server mode.

>
> Kind regards,

Thanks anyway.

> Sonam Chauhan
>
> --
>
> Corporate Express Australia Ltd.
>
> Phone: +61-2-93350725, Email: sonam.chauhan@ce.com.au
>
>
>
> Spread Toolkit
>
> http://www.spread.org/
>
>
>
> Java Interface to the Spread Toolkit
>
> http://www.spread.org/docs/javadocs/java.html
>
>
>
> An interesting article on using Spread to unify apache access logs.
>
> http://www.samag.com/documents/s=3D7789/sam0302a/0302a.htm
>
>

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