Glassfish Performance??

[pccontact]

Dear all,

I have a SOAP application which doing some work takes about 1-4 secs to complete then response back to client. and the request and reply SOAP size is about 10K bytes long.

My Glassfish is on a Q8200 4 core CPU with 4GB RAM on Cent OS 5.3.

I use Threads.Sleep(1000) to simulate the process. The glassfish only can response 500 TPS(response per second back to client). I used SOAP UI to open 1024 threads(actually, 512-1024 get almost the same response TPS) for  concurrent requests.

If I use Threads.Sleep(2000) then the response only about half 250 TPS.

I tried to configure the Glassfish but the only factor looks like is HTTP max Thread Count.
After increase to about 512-1024 the result all the same.

Is my Glassfish response time reasonable?

BTW, if I did not use Threads.Sleep, it can response about 1000 TPS.

[glassfish-2]

Check if your SOAP UI version is free or professional.
The free version limits the number of concurrent requests to 500.
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[pccontact]

Yes I am using Trial SOAPUI Pro.

I really don't know why the load balancer will not funtional well If the Thread. sleep for 1 second.