2 12-2015 - Cassandra Day LA - Using DataStax Enterprise and Actor Systems for Fault Tolerant, Reliable Systems
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Cassandra and DataStax Enterprise have made it a lot easier to build distributed applications by providing a solid persistence layer that distributes well, is highly available, and comes with an intuitive programming model. So what if you could have all of the nice things DataStax Enterprise provides to you at your application layer too? 1. An intuitive programming model; 2. High availability; 3. Reliability; and 4. The ability to decouple application design from network topology. Well it turns out you can do this easier than ever before using the Actor Model and Akka.NET. This talk explains how. http://getakka.net/ http://petabridge.com/
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2 12-2015 - Cassandra Day LA - Using DataStax Enterprise and Actor Systems for Fault Tolerant, Reliable Systems
- 1. @petabridge Petabridge.com DataStax Enterprise and Actor Systems By Aaron Stannard Co-Founder and CTO – Petabridge Co-Founder – Akka.NET
- 2. @petabridge Petabridge.com What do we love about Datastax Enterprise?
- 3. @petabridge Petabridge.com Intuitive Programming Model (CQL3)
- 7. @petabridge Petabridge.com And more! • Automatic cluster discovery (drivers) • Tunable consistency • Tremendous R/W throughput • DSE Startup Program
- 8. @petabridge Petabridge.com What if we could have these nice things in the application layer too?
- 9. @petabridge Petabridge.com WHAT DO WE WANT?! • Intuitive programming model • High availability • Reliability • Decouple application design from network topology
- 10. @petabridge Petabridge.com Enter the Actor Model
- 11. @petabridge Petabridge.com Akka.NET: Actor Model in .NET
- 13. @petabridge Petabridge.com Everything is an "actor"
- 14. @petabridge Petabridge.com This is an actor
- 15. @petabridge Petabridge.com Actors work by passing each other messages
- 16. @petabridge Petabridge.com Message passing in action
- 17. @petabridge Petabridge.com Actors send messages to addresses
- 19. @petabridge Petabridge.com Actor addresses have location transparency
- 20. @petabridge Petabridge.com So this means...
- 21. @petabridge Petabridge.com Magic Scaling Sauce!!!
- 23. @petabridge Petabridge.com We Can Deploy Actors and Send Messages Anywhere
- 24. @petabridge Petabridge.com Scaling Out • Actors can be deployed anywhere • Special "Router" actors distribute work • Actors can be easily restarted and redeployed
- 25. @petabridge Petabridge.com And Can Form Highly Available Systems
- 26. @petabridge Petabridge.com Automatic Clustering • Use seed nodes (just like DSE) • New nodes can join and leave • Work automatically gets redistributed (because, routers)
- 27. @petabridge Petabridge.com But That's Not All! • Persistent Actors • Cluster Sharding • And more!
- 28. @petabridge Petabridge.com DSE + Actor Systems...
- 29. @petabridge Petabridge.com In fact, you might already be using them together...
- 30. @petabridge Petabridge.com Apache Spark: Built on Akka (JVM)
- 31. @petabridge Petabridge.com Powerful Combinations • Stream processing • Event sourcing • Real-time aggregation and analytics • Dynamic pricing and other fun e- commerce problems
- 32. @petabridge Petabridge.com Have questions? Ask us! http://petabridge.com/datastax