RE: Regarding the command line option for number of threads

[SAJAL B. <s.b...@qu...>]

Hi,

Thanks for such a prompt response. I know it would be less powerful on VM as compared to a real Machine but I need to test it in a virtual environment first to make sure its suits my purpose before running it on a dedicated real machine. You mentioned that it will need several web-servers against it, can you elaborate a little on this, as to why would it require several web-servers against it.

One more thing I wanted to ask, its like I want really stress my static apache2 web server (possibly bring it down), can you roughly suggest the configurations for this as in terms of number of clients, ramp up, number of threads etc. I understand this question is highly network dependent but I just want to have a rough idea. I will give the specifications of the environment I am working in.

Both source and destination are running on same machine physical machine but as different VMs. Source VM has 4 virtual CPUs and 4 GB of Virtual Memory and is running Fedora12  (2.3.62). Target machine has 2 Virtual CPUs and 512 MB of Virtual Memory running Ubuntu 8.04 (server).

Thanks !
----
Sajal Bhatia()
Research Masters Student
QUT, Brisbane
AUSTRALIA

________________________________
From: Robert Iakobashvili [cor...@gm...]
Sent: Monday, 10 May 2010 5:01 PM
To: curl-loader-devel
Subject: Re: Regarding the command line option for number of threads

Hi Sajal,

On Mon, May 10, 2010 at 9:53 AM, SAJAL BHATIA <s.b...@qu...<mailto:s.b...@qu...>> wrote:
Hi,

I have a questions regrading the command line option -t <number of threads>. I am using a virtual machine with 4 virtual CPUs

We never tried it on VMs.
Obviously, it will be less powerful than on a real linux.

, so if I mention -t 4 in the command line while executing the curl loader and I have mentioned 20K clients (within a specified address range) in my configuration file, then will each of these 4 threads have 20K clients or will it be 20K clients distributed between 4 threads (or 5K per thread). If so (later), will the distribution be like first 5K to first thread and next 5K to second and so forth?

I will be 5K users at each thread.
I do not believe that a VM could work with 20K users.

Y will also need a lot of memory. Y will also need several web-servers against it.

Please, read the FAQ below:
http://curl-loader.sourceforge.net/high-load-hw/index.html




Thanks

----
Sajal Bhatia
Research Masters Student
QUT, Brisbane
AUSTRALIA

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