I would think the possibilities are either it's being bound by the database or by the bandwidth somewhere. The JMeter client could be bandwidth bound without being cpu bound at all, so it would show up as a struggling client computer.
-Mike On 1 Oct 2003 at 17:54, Jean-Sebastien Morisset wrote: > Jordi, > > Is there any reason why the multi-threading wouldn't work? I'm using the > J2SE RPM from java.sun.com: > > # java -version > java version "1.4.2_01" > Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_01-b06) > Java HotSpot(TM) Client VM (build 1.4.2_01-b06, mixed mode) > > # uname -a > Linux XXXXXXXXXXXXX 2.4.18-14smp #1 SMP Wed Sep 4 11:55:37 EDT 2002 i686 athlon i386 GNU/Linux > > Adding more than 5 threads does not seem to impact the web server -- CPU > at ~ 38%, but the database server in the back keeps feeling it: 75% at 5 > threads, 87% at 10 threads, 89% at 15 threads, 90% at 20, 94% at 30, and > 95% at 40. > > Any ideas? :-) > > BTW, I posted my test plan in the jmeter-user list. It's really very > simple. Just one listener and no logging. > > Thanks for your reply! > > js. > > On Wed, Oct 01, 2003 at 11:34:07PM +0200, Jordi Salvat i Alabart wrote: > > > > > > Jean-Sebastien Morisset wrote: > >> BTW, how can you tell it was max'ed at 1x20? > > > > I guess the answer is "I can't". I was too quick at this. It rather > > looks like wherever the bottleneck is, you're hitting it before 5 > > threads: after that, looks like adding more threads does not really > > generate more load. > > > > The reason why I was saying that the bottleneck was in the JMeter > > machine is because we're doubling the load by doubling the machine... > > what else are you doubling by doing this? If the JMeter machines were > > connected 10Mbps to a 100Mbps network, certainly the bandwidth... I > > can't really think of anything else... > > > > Jordi. > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: jmeter-dev- [EMAIL PROTECTED] > > For additional commands, e-mail: jmeter-dev- [EMAIL PROTECTED] > > > > -- > Jean-Sebastien Morisset, Sr. UNIX Administrator <[EMAIL PROTECTED]> > Personal Home Page <http://jsmoriss.mvlan.net/> > JS & Melanie's Homebrewery <http://brewery.mvlan.net/> > Underwater and Travel Photographs <http://www.mvpix.com/> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: jmeter-dev- [EMAIL PROTECTED] > For additional commands, e-mail: jmeter-dev- [EMAIL PROTECTED] > -- Michael Stover [EMAIL PROTECTED] Yahoo IM: mstover_ya ICQ: 152975688 AIM: mstover777 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
