Sun Java System Web Server 7.0 Update 7 Performance Tuning, Sizing, and Scaling Guide

Tuning

You can increase your thread limits in the Admin Console by editing the Maximum Threads field on the configuration's Performance tab ⇒ HTTP tab, under Thread Pool Settings. In the command-line interface, use the wadm set-thread-pool-prop command's max-threads property. The default value is greater of 128 or the number of processors in the system.