Performance and Tuning
- ab: apache benchmark
- specweb: web server benchmark by spec.org, it is now specweb2005.
- webbench: a licensed benchmark program that measures the performance of Web servers, developed by VeriTest.
Connection Hash Table Size
Netfilter Connection Track
- The C10K problem written by Dan Kegel, good notes on how to configure operating systems and write code to support 10K clients on a single server