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

5.
Who
are
you?

6.
Side
1

7.
Side
1 Side
2

8.
Side
1 Side
2
Gap

9.
Bridge
Side
1 Side
2
Gap

10.
Bridge
Side
1 Side
2
Gap

11.
Bridge
Developer Side
2
Gap

12.
Bridge
Developer Side
2
Gap

13.
Bridge
Developer Sysadmin
Gap

14.
Bridge
Developer Sysadmin
Gap

15.
Bridge
Developer Sysadmin
Knowledge

16.
Bridge
Developer Sysadmin
Knowledge

17.
Advice
Developer Sysadmin
Knowledge

18.
The
gap

19.
The
gap
is
non-­‐funcMonal

20.
The
gap
is
non-­‐funcMonal
Project
on
my
dev
machine
Project
in
producOon

21.
The
gap
is
non-­‐funcMonal
Performance
Scalability
High
availability

22.
Why
is
there
a
gap?

23.
Because
of
“The
Cloud”

24.
AbstracMon

25.
Flexibility

26.
It
should
just
work

27.
A
generaMon
of
non-­‐technical
professionals

28.
The
bridge

29.
The
bridge
Advice/consultancy
SensiOzaOon/evangelism
Stories/experiences
(good/bad)

30.
Who?

31.
Who?
Hosters
Infrastructure
architects/
consutants
CommuniOes/UG’s
DevOps

32.
Boundaries
of
your
core
business

33.
Get
to
know
your
neighbour

34.
Common
cases

35.
The
database

36.
The
database
Design/indexing
Performance
querying
ReplicaOon/scaling
NOSQL

37.
Caching

38.
What
to
cache?
Datasets
Byte
code
Pages
Objects

39.
Where
to
cache?
Filesystem
NOSQL
RAM
(Memcache,APC)
Proxy
(Varnish)

40.
Loadbalancing

41.
Offloading
with
Gearman

42.
Planning
&
preparaMon

43.
Modular
design
&
architecture

44.
Modular
design
&
architecture
Design
pa`erns
AbstracOon
Layers
Dependencies

45.
Profiling
the
footprint

46.
Stresstests

47.
Data
populaMon

48.
Look
for
boBlenecks

49.
Think
about
the
infrastructure

50.
Let
the
right
people
advise
you

51.
Focus
on
your
core
business