Servers #

Scope #

• Iterative servers
• Event demultiplexers: select()/poll()/epoll()
• Thread-per-connection architecture
• C10k problem
• Quality metrics: QPS, EPS, latency
• Event loop based servers
• Scaling out event loops
  • shared demultiplexers with EPOLLONESHOT
  • private demultiplexers
  • SO_REUSEPORT to scale out accept()
• Reactor pattern
• State Machine pattern
• Coroutines
• Zero-Copy solutions

Reference #

1. Lecture Slides
2. Code samples
3. Old slides: Inet_3en.pdf
4. The GNU C library documentation: 13.8: Waiting for Input or Output, 16.11: The inet daemon, 18.1 Overview of Syslog, 24.2.4: Asynchronous I/O Signals