MongoDB
UK
2012
MongoDB
for
Online
Adver1sing
Jon
Reed
jon.reed@teamaol.com
@jon_reed
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MongoDB
UK
2012
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Me
• Jonathan
Reed
• jon.reed@teamaol.com
• @jon_reed
• Senior
SoEware
Engineer
• CSM
since
2008
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UK
2012
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AOL
• Adver1sing.com
• Huffington
Post
• Engadget
• TechCrunch
• MapQuest
• AutoBlog
• AIM
–
to
name
a
few
• 180M+
monthly
UVs
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UK
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100,000
hours
of
free
Internet
–
I’m
set
for
life
http://www.reddit.com/user/Austinja
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UK
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FINALLY,
someone
finds
a
use
for
AOL
CDs!!!
ICANHASCHEEZBURGER.COM
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We
use
MongoDB
a
lot…
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UK
2012
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UK
2012
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Why
MongoDB?
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Why
we
use
MongoDB
• UK
Scrum
Team
• Easy
to
learn
&
setup
• Easy
to
scale
• Great
community
• Support
contract
available
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UK
2012
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Benefits
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Why
we
use
MongoDB
• QA
like
us
• Ops
like
us
• Kudos
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UK
2012
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Problems
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Problems
• Pre-‐sharded
high-‐volume
collec1ons
• Some
C++
documenta1on
isn’t
up
to
standard
• No
data
centre
awareness
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UK
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A
Scenario
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Generic
Adver1ser
X
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UK
2012
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UK
2012
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Components
of
an
ad
{!
“Flat White” : “£2.99”,!
“Mocha” : “£3.99”!
“Tea” : “£1.99”!
…!
}!
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Components
of
an
ad
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UK
2012
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Architecture
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Adver1sing.com
Product
• Dynamic
retarge1ng
• 1
MongoDB
Cluster
• 3
data
centres
• Mixture
of
languages
• Erlang
• C++
• PHP
• Java
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UK
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Architecture
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1
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Architecture
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2
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UK
2012
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MongoDB
Throughput
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UK
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Open
Source
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OpLog
Streamer
• Open
Source
• C++
• Stream
data
from
the
master
• Not
affected
by
read/write
lock
• github.com/alz/code-‐snippets
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UK
2012
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Support
Contract
&
MMS
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2012
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We
have
a
support
contract
• Support
contract
for
MongoDB
across
AOL
• MMS
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UK
2012
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MMS
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Nearly
there…
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UK
2012
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Michael
DelNegro
• MongoDC
2012
• “Opera1onalizing
MongoDB
at
AOL”
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We
are
hiring!
• corp.aol.com/careers