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Message-ID: <c512f7c70806052008i201d7bb4se8f9e400f7a4c698@mail.gmail.com>
Date: Thu, 5 Jun 2008 22:08:30 -0500
From: "Michael McDonnell" <bzaks1424@gmail.com>
To: "JMeter Users List" <jmeter-user@jakarta.apache.org>
Subject: Re: Distributed Testing: Not actually creating load?
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How did you randomize the data from the CSVs? (if I may ask)

Also, I'm dealing with a lot of optimistic locking issues which would only
occur if each csv is doing the EXACT same thing at the exact same time
(which is completely likely)

On Thu, Jun 5, 2008 at 9:54 PM, Ryan Dooley <ryan.dooley@gmail.com> wrote:

> I had a similar experience the first time.  Turns out that the data I
> wanted
> to test with (HTTP POSTs) has to be put on each remote.  I also had a
> process to randomize the data when transferred to the remotes.  I finally
> got the load up high enough across 10 machines like yours.
>
> The test harness I had was pretty simple:  post these things to this url.
>
> On Thu, Jun 5, 2008 at 5:19 PM, Michael McDonnell <bzaks1424@gmail.com>
> wrote:
>
> > We're running a distributed test (roughly 7 remote workstations) on a
> > pretty
> > hefty box (8 cores, 32 gigs ram.... etc...)
> >
> > However, something seems to be going wrong... perhaps its because I'm
> > crossing linux and windows platforms to try to do the testing?
> >
> > We're load testing a web application, so primarily, the only work we're
> > doing is http requests (there are a few "java requests" that actually is
> an
> > app I created to make webservice calls, but we'll get to that later)
> >
> > However, when we view the transactions in the database, they are
> extremely
> > low. (frighteningly low).
> >
> > Then we run the test from a single user work station (same test, 300
> users
> > doing work) and our results come back fantastically!
> >
> > Now granted: I guess the big deal is this: when the app uses a csv in
> > distributed mode, does each slave utilize the the same csv in the same
> > order
> > ? or is there a sort of "break up" so that no two slaves are using the
> same
> > line in the csv?
> >
> > I'm sorry for what may be dumb questions... but we're coming down to a
> > tight
> > deadline, and the distributed testing is not giving us good results where
> > as
> > the local testing is.
> >
> > Thanks for all your help in advance.
> >
> > Michael
> >
>

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