[nycbug-talk] Mail stress test

[Steve Rieger]

Ok so nobody knows, and it might not even be possible to max out the
concurrent connections for those protocols.

So I will take a step back and ask do you know of a way I can create 100
concurrent connections for each of those protocols, on these servers.



Thanx




On 2/25/05 1:36 PM, "Bob Ippolito" <bob at redivi.com> wrote:

> 
> On Feb 25, 2005, at 1:20 PM, Pete Wright wrote:
> 
>> On Fri, Feb 25, 2005 at 12:36:36PM -0500, Steve Rieger wrote:
>>> Does anybody on the list know of a decent script I can run to stress
>>> test my
>>> smtp, pp, and imap servers,
>>> 
>> 
>> hey steve,
>> sorry i don't know any off the top of my head, altho
>> i do know that there are ample perl modules that offer this
>> functionality (smtp, pop and imap).  the problem may be tho
>>  that you will end up stressing the client running the script
>>  before you end up stressing the server.
> 
> The number of TCP connections that it'll accept is likely to be much,
> much, much, much higher than the number of active connections it can
> deal with.  Unless the application is written particularly poorly,
> you'll hit kernel limitations (but maybe just a soft one, like the
> per-process descriptor limit) before the application will notice.
> 
> Ideally you really need a benchmark that actually attempts to do
> something with the server, like all of the http benchmarks do.  Though,
> i can't say I know of anything for other protocols.
> 
> -bob
> 
> 
> 

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Steve Rieger
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