[httperf] number of requests sent with http 1.1

Martin Arlitt arlitt at hpl.hp.com
Thu Mar 31 07:55:36 PST 2005


Wolfgang

I'm not aware of any problems with httperf's counting of requests under
http/1.1.  however, that doesn't mean that there isn't one.

if the httperf output isn't indicating there are any errors occurring,
then I suggest running tcpdump on your client to observe whether or not
httperf is indeed sending the additional requests.

please let me know what you learn, particularly if there is a problem with
httperf.

thanks

Martin


On Thu, 31 Mar 2005, Wolfgang Miller-Reichling wrote:

> Hi,
>
> I'm currently trying to benchmark a cluster of Tomcat servers using
> httperf 0.8 with a session logfile.
> The number of requests seems to be correct as long as I'm using
> http-version=1.0. If I use http 1.1 there are a lot more requests but
> the correct number of replies. Example:
>
> httperf --client=0/1 --server=beans01 --port=9070 --uri=/ --rate=1
> --send-buffer=4096 --recv-buffer=16384 --session-cookies
> --wsesslog=1,1.000,listekurz.txt
> Maximum connect burst length: 1
> Total: connections 20 requests 67 replies 20 test-duration 15.629 s
>
> httperf --client=0/1 --server=beans01 --port=9070 --uri=/
> --http-version=1.0 --rate=1 --send-buffer=4096 --recv-buffer=16384
> --session-cookies --wsesslog=1,1.000,listekurz.txt
> Maximum connect burst length: 4
> Total: connections 20 requests 20 replies 20 test-duration 15.822 s
>
> However, these extra requests never seem to get to my apache (used as a
> load balancer). Does this mean httperf's counting is wrong or does is
> mean I am missing something?
>
> Regards,
> Wolfgang
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