Azure service fabric: a gentle introduction
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This document provides an overview of Azure Service Fabric, including: 1) Service Fabric is a distributed systems platform that makes it easy to package, deploy, and manage scalable and reliable microservices and containers. 2) It allows applications to be composed of small, independent processes called microservices that can communicate with each other. 3) Service Fabric handles deployment, scaling and management of microservice applications and containers, enabling developers to focus on writing code without having to deal with infrastructure details.
![Solution architect @ Particular Software
alessandro [dot] melchiori [at] particular [dot] net
twitter: @amelchiori
blog: http://melkio.codiceplastico.com
github: http://github.com/melkio
Alessandro Melchiori](https://image.slidesharecdn.com/azureservicefabric-160321084526/85/Azure-service-fabric-a-gentle-introduction-2-320.jpg)
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Azure service fabric: a gentle introduction
- 1. Azure Service Fabric ...a gentle introduction Alessandro Melchiori
- 2. Solution architect @ Particular Software alessandro [dot] melchiori [at] particular [dot] net twitter: @amelchiori blog: http://melkio.codiceplastico.com github: http://github.com/melkio Alessandro Melchiori
- 3. • Why Service Fabric? • Service Fabric overview • What is a microservice? Actor model Stateless and Stateful • Monitoring Service Fabric Explorer • Upgrade application Agenda
- 10. Service Fabric architecture: cluster • Cluster is a federation of machines • Cluster can scale to 1000s of machines
- 11. Service Fabric architecture: replication system P S S S S • Replica states None Idle secondary Active secondary Primary
- 12. Service Fabric architecture: replication system P S S S S • Reads are completed at the primary
- 13. Service Fabric architecture: replication system P S S S S • Writes are replicated to the write quorum of secondaries
- 14. Service Fabric architecture: replication system P S S S S • Writes are replicated to the write quorum of secondaries
- 15. Service Fabric architecture: replication system P S S S S • Writes are replicated to the write quorum of secondaries
- 16. Service Fabric architecture: replication system P S S S S • Writes are replicated to the write quorum of secondaries
- 17. Service Fabric architecture: replication system P S S S S • Writes are replicated to the write quorum of secondaries
- 18. Service Fabric architecture: replication system P S S S S • Writes are replicated to the write quorum of secondaries
- 19. Service Fabric architecture: replication system reconfig P S S S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 20. Service Fabric architecture: replication system reconfig P S S S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 21. Service Fabric architecture: replication system reconfig S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 22. Service Fabric architecture: replication system reconfig S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 23. Service Fabric architecture: replication system reconfig S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 24. Service Fabric architecture: replication system reconfig P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 25. Service Fabric architecture: replication system reconfig P P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 26. Service Fabric architecture: replication system reconfig S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 27. Service Fabric architecture: replication system reconfig S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 28. Service Fabric architecture: replication system reconfig S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary B
- 29. Service Fabric architecture: replication system reconfig S S P S S • Types of reconfiguration Primary failover Removing a failed secondary Adding recovered replica Building new secondary
- 30. Service Fabric architecture: partitioning • Allow data/computation to be spread across nodes • A partition must fit in 1 node / 1 node can hold multiple partitions • Cross-partitions operations requires network hops and different transactions • SF balances partitions across nodes
- 31. Service Fabric architecture: partitioning
- 32. Service Fabric architecture: partitioning
- 33. Service Fabric application model
- 34. Service Fabric application model
- 35. DEMO run your local cluster
- 36. • Encapsulate a business scenario • Can be written in any programming language • Consist of code and (optionally) state that is independently versioned, deployed and scaled • Has a unique name, used to resolve its location • Remains consistent and available in the presence of failure • Interacts with other microservices What is a microservice?
- 37. The actor model in computer science is a mathematical model of concurrent computation that treats "actors" as the universal primitives of concurrent computation: in response to a message that it receives, an actor can make local decisions, create more actors, send more messages, and determine how to respond to the next message received https://en.wikipedia.org/wiki/Actor_model Actor model
- 38. The actor model in computer science is a mathematical model of concurrent computation that treats "actors" as the universal primitives of concurrent computation: in response to a message that it receives, an actor can make local decisions, create more actors, send more messages, and determine how to respond to the next message received https://en.wikipedia.org/wiki/Actor_model Actor model
- 39. Actor model
- 40. Actor model
- 41. • Actors are isolated, single-threaded components that encapsulate both state and behavior • Each such actor is uniquely identified by an actor ID • Actors interact with rest of the system, including other actors, by passing asynchronous messages using a request-response pattern Service Fabric Reliable Actors API
- 42. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } Stateless actor: definition
- 43. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } Stateless actor: definition
- 44. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } Stateless actor: definition
- 45. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } public class CalculatorActor : StatelessActor, ICalculatorActor { ... } Stateless actor: definition
- 46. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } public class CalculatorActor : StatelessActor, ICalculatorActor { ... } Stateless actor: definition
- 47. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } Stateful actor: definition
- 48. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } public class CalculatorActor : StatefulActor<ActorState>, ICalculatorActor { ... } Stateful actor: definition
- 49. public interface ICalculatorActor : IActor { Task Increment(); Task<Int32> GetValue(); } public class CalculatorActor : StatefulActor<ActorState>, ICalculatorActor { ... } Stateless actor: definition
- 50. var actorId = ActorId.NewId(); var applicationName = "fabric:/CalculatorActorApp"; var actor = ActorProxy.Create<ICalculatorActor>(actorId, applicationName) Actor communication: the actor proxy
- 51. var actorId = ActorId.NewId(); var applicationName = "fabric:/CalculatorActorApp"; var actor = ActorProxy.Create<ICalculatorActor>(actorId, applicationName) Actor communication: the actor proxy
- 52. DEMO stateless actor vs stateful actor
- 53. Upgrade application (with zero downtime)
- 54. Upgrade application (with zero downtime)
- 55. Upgrade application (with zero downtime)
- 56. Upgrade application (with zero downtime)
- 58. Free e-book available at: http://go.particular.net/Liguria Curiosi?