Speech WordCamp-KnowCamp, Modena 19 marzo 2011

1. Achive Escape
Velocity
Sandro “guly” Zaccarini
Thursday, March 17, 2011

2. Agenda
* What is escape velocity?
* How does our Planet work?
* Why don’t we like it?
* Which alternatives do we have?
* Let the countdown begin!
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

3. What is Escape Velocity?
A Chemical Brother’s song!
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

4. What is Escape Velocity?
It is the speed needed to "break free" from a
gravitational field without further
propulsion (WikiPedia)
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

5. How does our Planet work
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

6. Why don’t we like it
* Apache is a piece of junk (Theo de
Raadt@OpenCON2005)
* mod_php slow as hell
* no caching
* poor performances
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

7. Which Alternatives?
Purge client isn’t possible...
...no more buyers
So we’re going to Aurora!
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

8. Going to Aurora
* drop apache, love nginx
* subs mod_php with php-fpm
* opcode cache APC/xcache
* static page caching, more love to varnish
* db caching with memcached
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

9. Aurora
nginx:
* very fast webserver
* scalable
* low footprint
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

10. Aurora
php-fpm:
* FastCGI process manager
* comm via tcp or unix socket
* dynamic process spawn
* chroot, setuid, php.ini foreach process
* support stats and slow-logs
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

11. Aurora
APC/xcache:
* compile and cache php code
* no flame please, choose what you
prefer
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

12. Aurora
varnish:
* very fast caching proxy
* say it again: very fast caching
proxy
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

13. Aurora
memcached:
* scalable
* distributed
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

14. Make it WordPress-able
wordpress plugins:
* W3 Total Cache
* WP Super Cache
* ok, fight for your favourite one
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

15. How does Aurora work
OpCode
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

16. How does Aurora work
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

17. Problem solved!
..but did we achieve
escape velocity?
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

18. Escape Velocity
10/1000 Apache Aurora
Time per Req ~140 ~15
Time to serve
~1500 ~65
95%
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

19. Escape Velocity
Likely 10 time faster!
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

20. Countdown started
3) we know issues
2) we know howto fix
1) we achieved escape velocity
mark) phone your sysadmin!
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

21. Open Problems
* no https out of the box
* no WAF (ping IronBee)
* nearly impossible on shared
hosting services
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

22. Thanks to
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

23. Question?
Acta est fabula, plaudite!
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011

24. Who am I?
Sandro “guly” Zaccarini
Security Artist
guly@luv.guly.org
#theguly
Achieve Escape Velocity - guly@WordCamp 19/03/2011
Thursday, March 17, 2011