Hacking Apache HTTP Server at Yahoo!

From Technical Presentations

Presenter(s):	Michael J. Radwin, Yahoo!
Where:	OSCON 2006 (description)
When:	July 27, 2006
Topics:	Apache, HTTP, Performance, SSL
Download:	PowerPoint PDF html

[edit] Interesting quotes

• Still running Apache 1.3, actively porting to Apache 2.2 (2006)
• What’s wrong with threads?
  • too hard for most programmers to use
  • even for experts, development is painful
• Custom log files format
• Signal-free log rotation
• Bandwidth reduction
  • Smaller 30x bodies
  • Custom gzip
• No need for StartServers, MaxSpareServers, MinSpareServers - just MaxClients (constant pool size)
• Accept Filtering on FreeBSD
• SendBufferSize 229376, NO_LINGCLOSE - don’t wait for the client to read the response
• YahooHostHtmlComment
• SSL Acceleration cards, stunnel
• ysar