One thing I've done in the past is to grab the various URL paths that  
are getting hit by my webserver, and dump those to a text file.

Next step is to load up siege and have it replay those against the  
target webserver.

On Oct 9, 2007, at 1:48 PM, Jason Hiller wrote:

> One way to approach this is to baseline your application on  
> hardware that you already have. You can use a load generating  
> program like Jmeter (http://jakarta.apache.org/jmeter/) to create  
> load that would be similar to what you experience during your peak  
> times. It is pretty easy to record a transaction while navigating  
> the application in different ways, and then replay those  
> transactions to create load. You can tweak the number of simulated  
> issues, frequency of hits, wait time, etc...while running the  
> transactions.
>
> This method can take some of the guess work out of it and can help  
> to guarantee that the platform will scale. It is also a great way  
> to identify any bottlenecks (memory, io, etc).
>
> Just be careful to ramp the load up to realistic levels...it can be  
> easy to misinterpret the settings for Jmeter and create ridiculous  
> levels of load, leading you to think that the system is under  
> performing.
>
> Jason Hiller
> Oracle Corporation
>
>
>
> On 2007-10-05 23:56, Bryan O'Neal wrote:
>> Ok, so I am thinking about moving some stuff in house.  In  
>> particular a
>> mostly dynamic website that users some backend java and a mail  
>> server.
>> The mail server is pretty low key, handling maybe 30K messages a day.
>> The web server is expected to get about 300K hits a day.  How big  
>> of a
>> server do I really need?
>> I was thinking Cent OS5 running Apache/TomCat/MySQL with  
>> procmail.  And
>> I was thinking I could easily getaway with something like a dual core
>> 3GHz(x1333FBS) with 4GB Ram and a 4 SAS/SATA disks in a RAID5 area.
>> Suggestions?  Is this going to be big enough or am I low balling it?
>>
>>
>>
>> Bryan O'Neal
>> Cornerstone Homes
>
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