Given at Texas Linux Fest 2012

1. Architecting WordPress
on the Rackspace Cloud
Hart Hoover
@hhoover

3. Blogging Platform

4. Open Source
Blogging Platform

5. Open Source
Blogging Platform
CMS

6. Open Source
Blogging Platform
Uses PHP
CMS
& MySQL

7. Open Source
Blogging Platform
Uses PHP
CMS
& MySQL
22% of all websites in the U.S.

8. IN THE BEGINNING...

9. IN THE BEGINNING...

10. IN THE BEGINNING...

11. INtErNeT
WEb
SeRVEr
MYSQL
SeRVEr

12. INtErNeT
LoAD BALANCEr
WEb SeRVErS
MYSQL SeRVEr

13. ENTER THE CLOUD

16. INtErNeT
WEb
SeRVEr
MYSQL
SeRVEr

17. IT ALL COMES DOWN
TO
F.U.D.

18. Three Steps to AWESOME
WordPress ON THE CLOUD

19. Three Steps to AWESOME
WordPress ON THE CLOUD
•cached

20. Three Steps to AWESOME
WordPress ON THE CLOUD
•cached
• TIERED

21. Three Steps to AWESOME
WordPress ON THE CLOUD
•cached
• TIERED
•REDUNDANT

22. CACHED
& PLUGINS

23. CACHED

24. CACHED
•CACHE STATIC ITEMS

25. CACHED
•CACHE STATIC ITEMS
•STRIP COOKIES WHENEVER
POSSIBLE

26. CACHED
•CACHE STATIC ITEMS
•STRIP COOKIES WHENEVER
POSSIBLE
•DON’T CACHE POSTS
OR REQUESTS TO WP-ADMIN

27. CACHED

28. CACHED
•Memcached PECL extension

29. CACHED
•Memcached PECL extension
•Memcached Object Cache

30. CACHED
•Memcached PECL extension
•Memcached Object Cache
•W3 Total Cache

31. TIERED

32. INtErNeT
WEb
SeRVEr
MYSQL
SeRVEr

33. INtErNeT TIERED
LoAD BALANCEr
VARnISH SeRVEr
WEb SeRVEr CLoUD SeRVErS
MeMCACHED SeRVEr
MYSQL SeRVEr

34. REDUNDANCY

36. Your server
will fail.

37. REDUNDANCY
INtErNeT
LoAD BALANCEr
VARnISH SeRVEr
WEb SeRVEr CLoUD SeRVErS
MeMCACHED SeRVEr
MYSQL SeRVEr

38. REDUNDANCY
INtErNeT
LoAD BALANCEr
VARnISH SeRVErS
WEb SeRVErS
MeMCACHED SeRVErS
MYSQL SeRVErS
MYSQL MAStEr MYSQL SlAVE

39. REDUNDANCY

40. REDUNDANCY
• GO PLATFORMING

41. REDUNDANCY
• GO PLATFORMING
• KeeP IT IN SYNC:
Lsyncd & NFS

42. REDUNDANCY
GO PLATFORMING

43. REDUNDANCY
INtErNeT
LoAD BALANCEr
VARnISH SeRVErS
WEb SeRVErS
MeMCACHED SeRVErS
MYSQL SeRVErS
MYSQL MAStEr MYSQL SlAVE

44. REDUNDANCY
INtErNeT
CLoUD LoAD BALANCEr
VARnISH SeRVErS
WEb SeRVErS
MeMCACHED SeRVErS
CLoUD DATABASeS

45. REDUNDANCY
KeeP IT IN SYNC:
Lsyncd & NFS

46. REDUNDANCY
LSYNCD: Live Syncing Daemon
LsYNCD MAStEr
RsYNC RsYNC RsYNC
RsYNC RsYNC RsYNC
http://code.google.com/p/lsyncd/

47. REDUNDANCY
FAILOVER AND LSYNCD
OrIGINAL MAStEr
NeW MAStEr
RsYNC RsYNC RsYNC
http://code.google.com/p/lsyncd/

48. REDUNDANCY
NFS
NfS SeRVEr

49. REDUNDANCY
Failover and NFS
NfS SeRVEr
NeXT BeSt NfS SeRVEr

50. WHAT DID YOU
LEARN?

51. WHAT DID YOU
LEARN?

52. WHAT DID YOU
LEARN?
•
CACHE EVERYTHING

53. WHAT DID YOU
LEARN?
•
CACHE EVERYTHING
•
TIER YOUR SERVICES

54. WHAT DID YOU
LEARN?
•
CACHE EVERYTHING
•
TIER YOUR SERVICES
•
MAKE IT REDUNDANT