Re: Need to simulate 1000 - 5000 clients using polygraph 2.5.4 using Solaris
mohan kanumuru <mkanumuru-/[email protected]>
| Newsgroups | gmane.comp.web.web-polygraph.user |
|---|---|
| Message-ID | <[email protected]> |
Alex, Is it a good step to increase number of virtual interfaces/robots to 1000/machine and keep the request rate/robot to 0.4/sec. Will this help to achive 400requests/sec/machine without experiencing "virtual memory exceeded in new" problem and help not generate a best-effort workload. Thank you Mohan --- Alex Rousskov <[email protected]> wrote: > On Tue, 28 Nov 2000, mohan kanumuru wrote: > > > Using attached workload file, I am able to > simulate > > without problem upto 250 requests/sec using 100 > robots > > per machine. I tried 400 request/sec using 100 > robots, > > but application is stopping after printing out a > > message "virtual memory exceeded in new". > > That is because you have limited each robot to have > up to 4 open > connections at a time (open_conn_lmt = 4). With that > limit, you cannot > get 400 req/sec with 100 robots. Moreover, even > doing 250 req/sec with > 100 robots is very risky -- make sure your > transaction queues (plotted > on the autogenerated report) do not grow long, or > you will end up with > a best-effort workload! > > BTW, mailing list archive contains a few messages > explaining the > "virtual memory exceeded in new" error. > > Alex. > __________________________________________________ Do You Yahoo!? Yahoo! Shopping - Thousands of Stores. Millions of Products. http://shopping.yahoo.com/