1. MACIEJ
GRAJCAREK
Chief Innovation Officer @ Da Vinci Studio
@MaciejGrajcarek
ZEND CERTIFIED ENGINEER
PROFESSIONAL SCRUM MASTER I
TDD/BDD Propagator
DDD Explorer
Agile Enthusiast
WeBB MeetUp #1
02/12/2014

2. WEB APPLICATIONS
CACHING
TECHNIQUES

3. DBMS AND INDEXES

4. POPULAR & NEW

5. it's all about THE speed

6. WHY BOTHER?
SPEED LEADS TO PAGE RANK
PAGE RANK LEADS TO THE NUMBER OF PAGE IMPRESSIONS
PAGE IMPRESSIONS' NUMBER LEADS TO THE CREDITS

7. https://blog.kissmetrics.com/loading-time/
EVERY SECOND COUNTS!

8. THE STORY...

9. OUR HERO

10. GENIUS!

11. BASIC SETUP

12. OPCache / APC

13. #1 – DESTROY!

14. POST DEPLOY - opcache_reset()

15. Page speed
CHROME ANALYZE (EX PAGE SPEED)

16. <IfModule mod_expires.c>
ExpiresActive on
ExpiresDefault "access plus 1 month"
# CSS
ExpiresByType text/css "access plus 1 year"
# Media
ExpiresByType image/png "access plus 1 day"
ExpiresByType video/webm "access plus 1 month"
</IfModule>
mod_expire

17. #2 – RENAME

18. AUTOMATION!

19. TIME FOR A REVOLUTION

20. SERVES STATIC CONTENT...

21. …OR EVEN BETTER

22. DATABASE GETTING SLOWER?

23. KEY-VALUE CACHE

24. BUSINESS LOGIC

25. BASIC CACHE READ-WRITE

26. HOW WE DO IT

27. CONFIG

28. WRITE PROCESS

29. WRITE PROCESS

30. FETCH PROCESS

31. INVALIDATION PROCESS

32. WET!

33. A LITTLE BIT OF MAGIC

34. DRY AGAIN

35. #3 - THIS IS INVALIDATION!

36. HTTP PROXY CACHING

37. WEBPAGES ARE NOT MONOLITS

38. WEB PAGES ARE COMPLEX

39. REVERSE PROXY

40. EXPIRATION VS VALIDATION

41. DOGPILE EFFECT

42. OVERWRITE

43. BONUS

44. TIPS
#1 CACHE FROM THE BEGINNING
#2 OVERWRITE CACHE IF POSSIBLE
#3 CACHE SMALL, REUSABLE
ELEMENTS
#4 BE CAREFUL WITH PRIVATE DATA
#5 AUTOMATE!

45. THANK YOU!
ANY QUESTIONS???
@MaciejGrajcarek mgrajcarek@davinci-studio.eu