Sun Java System Web Server 7.0 Update 4 Performance Tuning, Sizing, and Scaling Guide


As a baseline, Web Server requires 64 MB RAM. Multiple CPUs require at least 64 MB for each CPU. For example, if you have four CPUs, install at least 256 MB RAM for optimal performance. For high numbers of peak concurrent users, also allow extra RAM for the additional threads. After the first 50 concurrent users, add an extra 512 KB for each peak concurrent user.