NOSQL GAMESPatrick Hueslerwooga GmbH

play?D! "!# $%&' (!

challengestechnical

for Diamond Dash20,543,500monthly active users

http://www.appdata.com/apps/facebook/127995567256931-diamond-dash (03/10/2012)

for Diamond Dash3,871,133daily active users

http://www.appdata.com/apps/facebook/127995567256931-diamond-dash (03/10/2012)

for Monster World6,500 RPS

backend traffic up to

Database?what does mean that for a

write heavyread/write ratio?

of architectureEVOLUTION

Wooga’s

Game backend

iOS

Flash

Facebook

Reporting

... well, nginx instead of apache

LAMPBuilt with

scalemysql does

use casesfor certain

peoplewith the right

cloudTo the

instead of PHPRailsLet’s use

load balancer

app server app server app server

master shard 1 master shard 2

slave shard 2 slave shard 2

shortstory

long

load balancer

app app app app app app app app

db db db db db db db db

db db db db db db db db

app app app app app app app app

app app app app app app app app

use casedifferent

Are NOTarcade games

farming games

going to workNOT

5is is

at the end of the tunnelLight

but there is

to redisSLOW PARTS

Move

rinsE and REPEAT

dedicatedback to

for the buckbangMore

MachinesFaster

networkfaster

all the wayREdisLet’s use

load balancer

app server app server app server

redis

redis slave

REDIS HASH

Redis Landall is well in

Memory Leaks

work again?BGSAVEhow does

workingno longerdumps are

going to workNOT

5is is

Restore on Demand

6x it with

(never really supported)Disk Store

Redis

StatefulLet’s go

is faster than no databasedatabase

no

all the wayS3

Let’s use

erlangLet’s use

http://www.slideshare.net/wooga/from-0-to-1000000-daily-users-with-erlang

http://www.slideshare.net/wooga/from-0-to-1000000-daily-users-with-erlang

SPARTANproject

yesterdayready

it has to be

enormouslyscale

It has to

node.js

without sharding?Scales

What DB

masterless replication?

what DB has

Async Saving

Riak

for nowgood enough

for goodgood enough

Riaklife with

1 { 2 "userId" : 1000000011100, 3 "xp" : 20, 4 "coins" : 400, 5 "cash" : 300, 6 "rooms" : [ 7 { 8 "id" : 1, 9 "type" : "x-ray", 10 "status" : "busy" 11 } 12 ] 13 } 14

is plain awesomeSPoF

no

for our use casesuboptimal

bitcask was

over all keys!map/reduce

Do not

ulimitdread8l

riak Attachthe tale of

MobileMonsters go

a flash clientNOT

An iOS client is

at all?databasedo we need a

in a stateless architecture?s3

Could we just use

at all?backenddo we need a

writes toclientwhat if the

S3?

wooga.com/jobs

Referenced Presentationshttp://www.slideshare.net/wooga/how-to-handle-1000000-daily-users-without-using-a-cache-railswaycon-2012

http://www.slideshare.net/wooga/event-stream-processing-with-kafka-berlin-buzzwords-2012

http://www.slideshare.net/wooga/from-0-to-1000000-daily-users-with-erlang

CreditsPolar bear: http://www.flickr.com/photos/bestrated1/167630455/sizes/o/Family: http://www.flickr.com/photos/adwriter/212098009/sizes/o/cart: http://www.flickr.com/photos/41304880@N05/6187541490/cow closeup: http://www.flickr.com/photos/sovietuk/227465632/sizes/o/sparta: http://www.flickr.com/photos/legofenris/5008721616/sizes/l/tank: http://www.flickr.com/photos/markkelley/1581559810/sizes/l/bomb: http://www.flickr.com/photos/7969902@N07/511234695/