1. Code
&
Infrastructure:
bridging
the
gap
Thijs
Feryn
Evangelist
+32
(0)9
218
79
06
thijs@combellgroup.com
9
december
2010
FeWeb10
Edegem

2. About
me
I’m
the
Evangelist
at
Combell
t
elis
Ev ang

3. About
me
I’m
a
board
member
at
PHPBenelux

4. Follow
me
on
TwiBer:
@ThijsFeryn
Read
my
blog:
hBp://blog.feryn.eu

6. Who
are
you?

8. Side
1

9. Side
1 Side
2

10. Side
1 Side
2
Gap

11. Bridge
Side
1 Side
2
Gap

12. Bridge
Side
1 Side
2
Gap

13. Bridge
Developer Side
2
Gap

14. Bridge
Developer Side
2
Gap

15. Bridge
Developer Sysadmin
Gap

16. Bridge
Developer Sysadmin
Gap

17. Bridge
Developer Sysadmin
Knowledge

18. Bridge
Developer Sysadmin
Knowledge

19. Advice
Developer Sysadmin
Knowledge

20. The
gap

21. The
gap
is
non-­‐funcMonal

22. The
gap
is
non-­‐funcMonal
Project
on
my
dev
machine
Project
in
producOon

23. The
gap
is
non-­‐funcMonal
Performance
Scalability
High
availability

24. Why
is
there
a
gap?

25. Because
of
“The
Cloud”

26. AbstracMon

27. Flexibility

28. It
should
just
work

29. A
generaMon
of
non-­‐technical
professionals

30. The
bridge

31. The
bridge
Advice/consultancy
SensiOzaOon/evangelism
Stories/experiences
(good/bad)

32. Who?

33. Who?
Hosters
Infrastructure
architects/
consutants
CommuniOes/UG’s
DevOps

34. Boundaries
of
your
core
business

35. Get
to
know
your
neighbour

36. Common
cases

37. The
database

38. The
database
Design/indexing
Performance
querying
ReplicaOon/scaling
NOSQL

39. Caching

40. What
to
cache?
Datasets
Byte
code
Pages
Objects

41. Where
to
cache?
Filesystem
NOSQL
RAM
(Memcache,APC)
Proxy
(Varnish)

42. Loadbalancing

43. Offloading
with
Gearman

44. Planning
&
preparaMon

45. Modular
design
&
architecture

46. Modular
design
&
architecture
Design
pa`erns
AbstracOon
Layers
Dependencies

47. Profiling
the
footprint

48. Stresstests

49. Data
populaMon

50. Look
for
boBlenecks

51. Think
about
the
infrastructure

52. Let
the
right
people
advise
you

53. Focus
on
your
core
business