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Tecnologia Negócios

Scaling for Web
Architecting HootSuite for 5 Million+ Users

About Us
Beier Cai
Chief Architect
beier.cai@hootsuite.com
@beiercai
Bill Monkman
Lead Developer, Web
bill.monkman@hootsuite.com
@bmonkman

Hoo’s HootSuite

Some Numbers
• 5+ million Members
• 10+ million Social Networks
• 25+ million Streams
• 350+ million Messages Scheduled
• 1.3+ Billion Messages Sent
• 2+ Billion Page Views per month
• 2,000 Web Requests/sec

Technologies
PHP
MySQL

Technologies
PHP
Memcached
MySQL

Technologies
PHP
Gearman
Memcached
MySQL

Technologies
PHP
Gearman
Memcached
MySQL MongoDB

Technologies
PHP
Gearman ZeroMQ
Memcached
MySQL MongoDB

Technology Stack
• LAMP (Linux, Apache, MySQL, PHP)
• Scala
• Akka
• Python
• Clojure
• MongoDB
• Redis
• Memcached
• Gearman
• ZeroMQ
• RabbitMQ/AMQP
• jQuery/Backbone
• EC2 Cloud / CloudStack
• Jenkins / CruiseControl
• CloudFront CDN
• HAProxy/Nginx/Varnish
• Zend
• Statsd/Graphite
• LogStash
• ElasticSearch/Lucene
• Nagios/Munin/Sensu
• ZooKeeper

Optimization
• Push processing up to the front-end, make your users’ computers into a
distributed processing network. e.g. stream rendering
• Cache as much as possible, invalidate only when necessary.
• Sometimes features have to take a back-seat to performance/scalability.
• Look at profiler data.
• Watch query execution time, optimize when necessary with indexes,
partitions, de-normalization, etc.
• Know what your weak spots are and keep a close eye on them.

Optimization

Optimization Case Study

Optimization Case Study

Scaling Dev Team
• Passion
• Commitment
• Dedication
• Responsibility
• General Awesomeness
Besides technical competency, we also value

Scaling Dev Team
• Passion
• Commitment
• Dedication
• Responsibility
• General Awesomeness
Besides technical competency, we also value

Scaling Dev Team

Team Work
• Entrepreneurial
• Communication
• Respect
• Trust

Coding Practice
• Clean and Readable
• Maintainable
• Reusable
• Scalable
• Commented
Have a well defined coding standard within your dev team, and
follow it!

Monitoring, Profiling & Logging

Monitoring, Profiling & Logging

Case Study

Case Study

Thank You!
Beier Cai
beier.cai@hootsuite.com
twitter.com/beiercai
Bill Monkman
bill.monkman@hootsuite.com
twitter.com/bmonkman

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Tracing the root cause of a performance issue requires a lot of patience, experience, and focus. It’s so hard that we sometimes attempt to guess by trying out tentative fixes, but that usually results in frustration, messy code, and a considerable waste of time and money. This talk explains how to correctly zoom in on a performance bottleneck using three levels of profiling: distributed tracing, metrics, and method profiling. After we learn to read the JVM profiler output as a flame graph, we explore a series of bottlenecks typical for backend systems, like connection/thread pool starvation, invisible aspects, blocking code, hot CPU methods, lock contention, and Virtual Thread pinning, and we learn to trace them even if they occur in library code you are not familiar with. Attend this talk and prepare for the performance issues that will eventually hit any successful system. About authorWith two decades of experience, Victor is a Java Champion working as a trainer for top companies in Europe. Five thousands developers in 120 companies attended his workshops, so he gets to debate every week the challenges that various projects struggle with. In return, Victor summarizes key points from these workshops in conference talks and online meetups for the European Software Crafters, the world’s largest developer community around architecture, refactoring, and testing. Discover how Victor can help you on victorrentea.ro : company training catalog, consultancy and YouTube playlists.

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Ubc presentation

1. Scaling for Web Architecting HootSuite for 5 Million+ Users

2. About Us Beier Cai Chief Architect beier.cai@hootsuite.com @beiercai Bill Monkman Lead Developer, Web bill.monkman@hootsuite.com @bmonkman

3. Hoo’s HootSuite

4. Some Numbers • 5+ million Members • 10+ million Social Networks • 25+ million Streams • 350+ million Messages Scheduled • 1.3+ Billion Messages Sent • 2+ Billion Page Views per month • 2,000 Web Requests/sec

5.

6. Technologies PHP MySQL

7. Technologies PHP Memcached MySQL

8. Technologies PHP Gearman Memcached MySQL

9. Technologies PHP Gearman Memcached MySQL MongoDB

10. Technologies PHP Gearman ZeroMQ Memcached MySQL MongoDB

11. Technology Stack • LAMP (Linux, Apache, MySQL, PHP) • Scala • Akka • Python • Clojure • MongoDB • Redis • Memcached • Gearman • ZeroMQ • RabbitMQ/AMQP • jQuery/Backbone • EC2 Cloud / CloudStack • Jenkins / CruiseControl • CloudFront CDN • HAProxy/Nginx/Varnish • Zend • Statsd/Graphite • LogStash • ElasticSearch/Lucene • Nagios/Munin/Sensu • ZooKeeper

12. Optimization • Push processing up to the front-end, make your users’ computers into a distributed processing network. e.g. stream rendering • Cache as much as possible, invalidate only when necessary. • Sometimes features have to take a back-seat to performance/scalability. • Look at profiler data. • Watch query execution time, optimize when necessary with indexes, partitions, de-normalization, etc. • Know what your weak spots are and keep a close eye on them.

13. Optimization

14. Optimization Case Study

15. Optimization Case Study

16.

17. Scaling Dev Team • Passion • Commitment • Dedication • Responsibility • General Awesomeness Besides technical competency, we also value

18. Scaling Dev Team • Passion • Commitment • Dedication • Responsibility • General Awesomeness Besides technical competency, we also value

19. Scaling Dev Team

20. Team Work • Entrepreneurial • Communication • Respect • Trust

21. Coding Practice • Clean and Readable • Maintainable • Reusable • Scalable • Commented Have a well defined coding standard within your dev team, and follow it!

22. Monitoring, Profiling & Logging

23. Monitoring, Profiling & Logging

26. Thank You! Beier Cai beier.cai@hootsuite.com twitter.com/beiercai Bill Monkman bill.monkman@hootsuite.com twitter.com/bmonkman

Notas do Editor

Creating Shared ValueSustainable InnovationNatural Selection
Deep Listening vs Real-Time AnalysisAppropriate and Scalable EngagementActionable Insight and Empowered Employees