[jboss-user] [Installation, Configuration & DEPLOYMENT] - Re: trying to increase thoroughput to server, what am I miss

PeterJ do-not-reply at jboss.com
Tue Jun 24 19:40:14 EDT 2008

Which listener are you using?

Why do I ask? Well, I used the Summary Report listener. It said Throughput = 2.0/sec (running a single thread for 200 requests) and = 44.0/sec (running 10 threads for 200 requests). The problem is, my 1 thread run lasted less than 1 second, and the 10 thread run about 3 seconds.

I then used the Graph Results listener and it says 41,039/min (=683/sec), which is closer to the truth.

My CPU usage does hit 99%.

I decided to do a longer run - 10000 requests. This lasted 3 min 25 secs (100,000/205=487.8/sec). This time the Summary Report was more correct, Throughput = 482.9/sec.

By the way, I have a Core 2 Quad processor, and am running JDK 1.5.0_15 (64-bit version) on Vista 64.  Unfortunately, I noticed after doing this run that my servlet was writing to the console log, which probably slowed things down tremendously. I noticed that 3 times the CPU was pegged at 100% for several seconds, but was mostly ran around 60-70%.

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