Server module

• 1.select based server
  Advantage: easy to implement
  disadvantage: limit to fd, max is 1024 on most linux
• 2./dev/poll based server
  Advantage:
  disadvantage: same to select
• 3.epoll based server
  Advantage: fastly, not need to check each fd.
  disadvantage: do more coding
• 4.thread based server
  Advantage: cheap to create, easy to share memory
  disadvantage: instability, crash thread make entry process down because all

  threads share the same addres space.  
  

• 5.process based server
  Advantage: stable, crash process do not effect others.
  disadvantage: create and kill processs overhead the web server.
• 6.hybrid process thread server
  Advantage:
  disadvantage:
• 7.process-pool and thread-pool based server
  process pool, reference
  dynamic-pool-of-processes
  Preforking: Process Pools
  3
  Advantage:
  disadvantage:
• 8.event based server
  Advantage:
  disadvantage:

Biggest performance-killers

• 1.Data copies
• 2.Context switches
• 3.Memory allocation
• 4.Lock contention

Reference

• The C10K problem
• Scalable Network Programming
• High performance server architecture
• Comparison of web server software
• mongoose - easy to use web server
• Architecture of a Linux based Web Server - Monkey HTTP server
• Monkey HTTP server
• A very simple HTTP server writen in c
• HTTP-server
• How do I write a web server in C on linux
• webserver search on github
• simple webserver for linux
• Web server software architectures
• chaos - c++ network event library