hi, It's hard to say something without context. You IMHO should monitor conn state (time_wait...),heap, threads dump,pools (jdbc, threads)during test and córrelate it with y~x where y-response time and x-test time
On 6/24/11, John Lussmyer <john.lussm...@amdocs.com> wrote: > Using the Active Thread only setting, and running 10 threads got me a pretty > even distribution of requests. > What I've found odd is that it's hard to reproduce any one test, and get > results that are even kind of similar to the previous test. > At very light loads, everything reproduces nicely. > At even medium loads, I start getting weird results. Things like the server > (and JMeter) system seems to start "pulsing" on about 20 second intervals. > Handles a burst of requests, then massively slows down. And it's CPU usage > drops during the pauses, memory usage is pretty constant, not much disk > activity. > Just weird. (probably a problem in our code, so it's giving us something to > hunt for.) > > The non-reproducible part is that I run a test at a medium load, and it > works fine, good response, etc... > 10 minutes later I run the same test, and it goes into pulse mode, response > times go up by a factor or 10 or more. > This is on a dedicated server. > > > > -----Original Message----- > From: Oliver Lloyd [mailto:oliver_ll...@hotmail.com] > Sent: Wednesday, June 22, 2011 3:09 PM > To: jmeter-user@jakarta.apache.org > Subject: Re: Odd problem with performance of JMeter > > Try this: > > Thread Group - 1 user, 1 sec ramp, forever > ---->Dummy Request, 1 sec response time > ---------> Constant Throughput Timer, Active Thred Only, 10 reqs per minute > > Like this you get 1 request every 6 seconds, nice and steady. > This message and the information contained herein is proprietary and > confidential and subject to the Amdocs policy statement, > you may review at http://www.amdocs.com/email_disclaimer.asp > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org > For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org
