Re: 2500urls/sec and 150 Mbits throughput

From: senthil (senthild@calsoft.co.in)
Date: Mon May 31 2004 - 02:29:51 MDT


u mean to say that setting 135req/sec(in polymix-4.pg) will generate
2500 urls/second??
how do i convince my client that 135 req/second corresponds to 2500
urls/second.
is there any statistics in the polymix report relating to this info??

thanx for the response.
cheers,
Senthil

Alex Rousskov wrote:

>On Fri, 28 May 2004, senthil wrote:
>
>> I have to run an urgent test on the cache and generate a
>>report for my customer requirement. He asks to generate a report
>>requesting 2500 urls per second , with a throughput of 150
>>Mbits/second. Im not sure how to configure the polymix bed for
>>generating the required result.
>>
>>is the requests/sec we set in polymix-4.pg in any way related with
>>the number of urls/second?? if not could any1 help me with this.
>>
>
>In PolyMix, you specify peak request rate. That rate, naturally, will
>correspond to some peak throughput (proportional to mean response
>size). Looking at last cache-off reports, 2500/sec load approximately
>corresponds to 135 req/sec.
>
>You can modify PolyMix-4 response sizes and/or request type
>composition to get the desired throughput for a given load. This
>modification will require some experimentation to get the resulting
>throughput right, since the traffic model is not simple. Your results
>will not be, strictly speaking, PolyMix-4 results then. If your
>customer needs PolyMix-4 results, they should not ask for both load
>and throughput levels.
>
>HTH,
>
>Alex.
>



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