EBS concurrent users -- load testing

Hi,
As part of performance/load testing for 100 concurrent users, we are not able to load over 99 users. I have set the nprocs=4 (8 cpus) and JVM max=1024.
I am not what limits I hitting to handle over 100 concurrent users.
ENV: R12 on RH 5, single node/2-tier combination, 11.2.0.2
Appreciate any help or suggestions.
FYI: I have already reviewed and followed steps from note# 362851.1

As part of performance/load testing for 100 concurrent users, we are not able to load over 99 users. I have set the nprocs=4 (8 cpus) and JVM max=1024.Do you get any errors? Please check Apache/JVM logs for details.
FYI: I have already reviewed and followed steps from note# 362851.1What is your current JVM configuration?
Thanks,
Hussein

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