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Painful Success - Lessons Learned while Scaling Up

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C4Media
C4Media

Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/19siM4E. Jesper Richter-Reichhelm shares lessons learned from failures while scaling Wooga games to millions of daily users.Filmed at qconlondon.com. Jesper Richter-Reichhelm is working as Head of Engineering at Wooga, one of the most popular social games developers for web and mobile in the world. Jesper is passionate about playing and working on games as well as developing highly scalable software that is used by millions of players. He also loves sharing his knowledge and passion at conferences. Twitter: @jrirei

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PAINFUL SUCCESS Jesper Richter-Reichhelm (@jrirei) / session 4853 Monday, 18 March 13
InfoQ.com: News & Community Site • 750,000 unique visitors/month • Published in 4 languages (English, Chinese, Japanese and Brazilian Portuguese) • Post content from our QCon conferences • News 15-20 / week • Articles 3-4 / week • Presentations (videos) 12-15 / week • Interviews 2-3 / week • Books 1 / month Watch the video with slide synchronization on InfoQ.com! http://www.infoq.com/presentations /scalability-case-study
Presented at QCon London www.qconlondon.com Purpose of QCon - to empower software development by facilitating the spread of knowledge and innovation Strategy - practitioner-driven conference designed for YOU: influencers of change and innovation in your teams - speakers and topics driving the evolution and innovation - connecting and catalyzing the influencers and innovators Highlights - attended by more than 12,000 delegates since 2007 - held in 9 cities worldwide
Pain Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Flash client Backend Monday, 18 March 13
7M players / month Monday, 18 March 13
7M players / month 10K API calls / second Monday, 18 March 13
7M players / month 10K API calls / second 200K DB operations / second Monday, 18 March 13
7M players / month 10K API calls / second 200K DB operations / second 100K DB writes / second Monday, 18 March 13
7M players / month 10K API calls / second 200K DB operations / second 100K DB writes / second 2 devops since 2009 Monday, 18 March 13
Success Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Painful Success Monday, 18 March 13
Painful Success Monday, 18 March 13
2009 Decisions Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
What is the right software stack? Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
SQL ap lb SQL Browser sql sql apap Monday, 18 March 13
2010 Scaling Up Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
0%# 20%# 40%# 60%# 80%# 100%# 0# 5# 10# 15# 20# 25# 30# 35# 40# Monday, 18 March 13
0%# 20%# 40%# 60%# 80%# 100%# 0# 5# 10# 15# 20# 25# 30# 35# 40# Monday, 18 March 13
0%# 20%# 40%# 60%# 80%# 100%# 0# 5# 10# 15# 20# 25# 30# 35# 40# Monday, 18 March 13
Small things... Monday, 18 March 13
AMF responses Monday, 18 March 13
Checking connection ‘status’ Monday, 18 March 13
ActiveRecord caching Monday, 18 March 13
Always check back on reality! Lesson 1: Monday, 18 March 13
Big Things... Monday, 18 March 13
Lot’s of tuning Monday, 18 March 13
Lot’s of tuning and more memory Monday, 18 March 13
app slave master Monday, 18 March 13
app slave master master slave 1. create new DBs Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. cut replication Monday, 18 March 13
app master slave 1. create new DBs 2. setup replication 3. start using masters 4. cut replication Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. remove old DBs Monday, 18 March 13
app master slave 1. create new DBs 2. setup replication 3. start using masters 4. remove old DBs Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
app 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
app 1. create new DBs 2. setup replication 3. start using masters 4. drop database; Monday, 18 March 13
You will make mistakes! Lesson 2: Monday, 18 March 13
More things... Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. cut replication Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. cut replication AB AB AB AB Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters BA AB AB AB AB Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. cut replication BA AB AB AB AB Monday, 18 March 13
app slave master master slave 1. create new DBs 2. setup replication 3. start using masters 4. cut replication BA AB AB AB AB Monday, 18 March 13
app slave master master slave slave master master slave AC AC BD BD Monday, 18 March 13
app slave master master slave slave master master slave AC AC BD BD AC AC BD BD Monday, 18 March 13
app slave master master slave slave master master slave AC AC BD BD AC AC BD BD Monday, 18 March 13
app slave master master slave slave master master slave AC AC BD BD AC AC BD BD Monday, 18 March 13
The right thing... Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Software is easy, data is hard! Lesson 3: Monday, 18 March 13
24 GB 44 GB in 8 days Monday, 18 March 13
Not enough memory Monday, 18 March 13
Not enough memory => no backups Monday, 18 March 13
Not enough memory => no backups => no new slaves Monday, 18 March 13
Not enough memory => no backups => no new slaves => big problem Monday, 18 March 13
24 GB 38 GB in 3 days Monday, 18 March 13
24 GB 38 GB in 3 days Fixed in v2.2 Monday, 18 March 13
2011 Operation Hell Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap SQL EBS EBS EBS EBS lb lblblb Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
EBSSQLBrowser lb lb lb lb ap ap ap ap ap ap ap ap Monday, 18 March 13
0" 500,000" 1,000,000" 1,500,000" 2,000,000" Apr*10" Jul*10" Oct*10" Jan*11" Apr*11" Jul*11" Oct*11" Monday, 18 March 13
0" 500,000" 1,000,000" 1,500,000" 2,000,000" Apr*10" Jul*10" Oct*10" Jan*11" Apr*11" Jul*11" Oct*11" AWS outage in Ireland Monday, 18 March 13
http://en.wikipedia.org/wiki/File:St%C3%B6wer_Titanic.jpg Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
Monday, 18 March 13
Installed in 3 years: Monday, 18 March 13
Installed in 3 years: 98 MySQL machines Monday, 18 March 13
Installed in 3 years: 98 MySQL machines 195 Redis machines Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
2012/2013 Refactoring Monday, 18 March 13
Lessons learned Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database Monday, 18 March 13
Server Database One Game Session Monday, 18 March 13
Server Database One Game Session Monday, 18 March 13
Rd rd SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd rd Rd Rd rd rd SQL SQL SQL SQL SQL ap apap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap apap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
Rd rd ap apap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap apap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
Rd rd ap apap lb lblblb Monday, 18 March 13
Monday, 18 March 13
1. Separate user and world DBs Monday, 18 March 13
1. Separate user and world DBs 2. Migrate to JRuby Monday, 18 March 13
1. Separate user and world DBs 2. Migrate to JRuby 3. Introduce life cycle Monday, 18 March 13
1. Separate user and world DBs 2. Migrate to JRuby 3. Introduce life cycle 4. Remove (user) DBs Monday, 18 March 13
1. Separate user and world DBs 2. Migrate to JRuby 3. Introduce life cycle 4. Remove (user) DBs 5. Enjoy! Monday, 18 March 13
Separate user DBs Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd lb lblblb Monday, 18 March 13
SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL SQL sql sql SQL SQL sql sql SQL sql lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd lb lblblb Monday, 18 March 13
JRuby Monday, 18 March 13
http://www.flickr.com/photos/biblicone/3425903181/sizes/l/in/photostream/ Monday, 18 March 13
JRuby v2 Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Throughput Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Throughput Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Throughput Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Rails 3.2.8 JRuby 1.7.2 Throughput Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Rails 3.2.8 JRuby 1.7.2 Throughput no benchmark Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Rails 3.2.8 JRuby 1.7.2 Throughput no benchmark Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Rails 3.2.8 JRuby 1.7.2 Throughput no benchmark multi threaded Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Rails 3.2.8 JRuby 1.7.2 Throughput no benchmark multi threaded tuning Monday, 18 March 13
0 50 100 150 200 Rails 2.3.11 MRI 1.8.7 Rails 3.2.8 MRI 1.8.7 Rails 3.2.8 MRI 1.9.3 Rails 3.2.8 JRuby 1.7.2 Throughput no benchmark multi threaded tuning cpu saturation Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL SQL ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap apap ap ap lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd SQL SQL SQL SQL SQL ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap apap ap ap lb lblblb ap ap ap ap ap ap ap ap ap ap ap ap ap ap Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
NEW OLD Monday, 18 March 13
NEW OLD Monday, 18 March 13
NEW OLD Monday, 18 March 13
NEW OLD Monday, 18 March 13
Life cycle Monday, 18 March 13
app Monday, 18 March 13
app Monday, 18 March 13
app servlet Monday, 18 March 13
app servlet archiver Monday, 18 March 13
User Registry app servlet archiver Monday, 18 March 13
User Registry S3 app servlet archiver Monday, 18 March 13
User Registry SQL Rd S3 app servlet archiver Monday, 18 March 13
User Registry SQL Rd S3 app servlet archiver Monday, 18 March 13
World Data User Registry SQL Rd S3 app servlet archiver Monday, 18 March 13
World Data User Registry SQL Rd S3 Load Balancer app servlet archiver Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd rd Rd rd SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd lb lblblb Monday, 18 March 13
SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd rd Rd rd SQL SQL SQL SQL ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd Rd rd lb lblblb Monday, 18 March 13
Removing DBs Monday, 18 March 13
SQL SQL sql Rd rd Rd rd Rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQLSQL SQL sql sql SQL SQL sql sql Rd Rd rd rd Rd Rd rd rd Rd rd SQL SQL SQL SQL Rd rd Rd rd Rd rd lb lblblb Monday, 18 March 13
SQL SQL sql Rd rd Rd rd Rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd lb lblblb Monday, 18 March 13
SQL sql Rd rd Rd rd Rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd lb lblblb Monday, 18 March 13
Enjoy Monday, 18 March 13
SQL sql Rd rd Rd rd Rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd lb lblblb Monday, 18 March 13
Rd rd Rd rd Rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd SQL sql SQL Rd rd Rd rd lb lblblb Monday, 18 March 13
Rd rd Rd rd Rd rd ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap ap apap ap ap ap ap ap ap ap ap apap ap ap Rd rd Rd rd Rd rd lb lblblb Monday, 18 March 13
http://www.flickr.com/photos/aigle_dore/ Monday, 18 March 13
http://www.flickr.com/photos/aigle_dore/ Monday, 18 March 13
Looking Back Monday, 18 March 13
What is the right software stack? Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
What is the right software stack? Monday, 18 March 13
What is the right software stack? Monday, 18 March 13
What kind of application are we building? Monday, 18 March 13
User Monday, 18 March 13
User Avatar Monday, 18 March 13
User Avatar Cus- tomer Monday, 18 March 13
User GardenAvatar Cus- tomer Monday, 18 March 13
User GardenAvatar Cus- tomer Tiles Deco- rations Monday, 18 March 13
User GardenAvatar Cus- tomer Tiles Deco- rations Monday, 18 March 13
User GardenAvatar Cus- tomer Tiles Deco- rations User GardenAvatar Cus- tomer Tiles Deco- rations Monday, 18 March 13
User GardenAvatar Cus- tomer Tiles Deco- rations User GardenAvatar Cus- tomer Tiles Deco- rations Monday, 18 March 13
http://en.wikipedia.org/wiki/File:Columbus_Breaking_the_Egg%27_(Christopher_Columbus)_by_William_Hogarth.jpg Monday, 18 March 13
http://en.wikipedia.org/wiki/File:Columbus_Breaking_the_Egg%27_(Christopher_Columbus)_by_William_Hogarth.jpg Monday, 18 March 13
http://en.wikipedia.org/wiki/File:Columbus_Breaking_the_Egg%27_(Christopher_Columbus)_by_William_Hogarth.jpg Monday, 18 March 13
http://en.wikipedia.org/wiki/File:Columbus_Breaking_the_Egg%27_(Christopher_Columbus)_by_William_Hogarth.jpg Monday, 18 March 13
http://en.wikipedia.org/wiki/File:Columbus_Breaking_the_Egg%27_(Christopher_Columbus)_by_William_Hogarth.jpg Monday, 18 March 13
What kind of application are we building? Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Monday, 18 March 13
Plain File System Monday, 18 March 13
Monday, 18 March 13
Handle state the right way! Monday, 18 March 13
Software is easy, data is hard! Lesson 3: Monday, 18 March 13
You will make mistakes! Lesson 2: Monday, 18 March 13
Always check back on reality! Lesson 1: Monday, 18 March 13
Always check back on your assumptions! Lesson 1: Monday, 18 March 13
Thank you Monday, 18 March 13
Jesper Richter-Reichhelm @jrirei woo.ga/backend wooga.com/jobs Monday, 18 March 13
Jesper Richter- Reichhelm @jrirei wooga.com/jobs woo.ga/backend Monday, 18 March 13
Watch the video with slide synchronization on InfoQ.com! http://www.infoq.com/presentations/scalability -case-study

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