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![Runtime API Layers
Programming models
Actor Framework API
Service Framework API
Collection/KVS API
State Management API
Replication Set
Management API
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Provided By
Windows Fabric
Provided By User
Application
Replica set
Management
State
Replication
State
Storage
Messaging Programming
Model
Business
Logic
Games, IoT scenarios
Traditional Enterprise Applications
Custom communication
Replicated Data Structure Providers
Replicator Providers](https://image.slidesharecdn.com/servicefabricoverview-160203142505/75/Service-Fabric-Overview-Yves-Goeleven-12-2048.jpg)
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Service Fabric Overview (Yves Goeleven)
The document discusses Microsoft's Service Fabric, highlighting its role in automating the microservice lifecycle management, including zero-downtime deployments, health monitoring, and auto-scaling. It also outlines how Service Fabric supports various application types and service types, functioning as a platform for hosting Azure services. The work of Yves Goeleven emphasizes the advantages of using Service Fabric in developing scalable and reliable applications, with practical implementations detailed.
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Service Fabric Overview (Yves Goeleven)
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- 2. From Applications toMicroServices What a difference 10 years makes Deploy 10 years agoContinuous Integration Always-on, hyper-scale servicesService FabricContinuous Deployment
- 3. Yves Goeleven Solution Architect •MessageHandler.net • Particular Software (NServiceBus) • Windows Azure MVP
- 4. Automates Microservice LifecycleManagement What is Service Fabric? Service Fabric It automates following aspects of the lifecycle: • Zero-downtime deployment • Rolling upgrade & side by side versioning • Health monitoring & diagnostics • Auto-scaling & resource balancing • Data partitioning & replication • Host integration (Windows Update coordination) • Test In Production (Chaos service) • Cross-datacenter clustering (optional)
- 5. It’s not new!It’s production proven technology. What is Service Fabric? Designed to host azure’s services: • Azure Database • Azure DocumentDB • Power BI • Azure Compute & Network provisioning (ARM) • Event Hub • Service Bus (ARM & Azure Pack) • Azure Data Factory • Intune • Cortana • Bing Weather • Skype for Business • Microsoft Online Directory Services Microsoft Azure
- 6. Node Node NodeNode Node Nodes, Application Types & Service Types What is a Service ? Service represents: • executable unit of code • it’s configuration • and data Application Service Service Service Code Config Data Code Config Data Code Config Data in any shape or form, including: • Any x64 exe • Container (Docker and friends) • Dnx ( aspnet 5 ) • Actor models (Orleans, SF, Akka.net) • Grouped into Application Types • Managed by nodes
- 7. With resource balancing Clusteredinto logical ring Node Node Node Node Node
- 8. Developer Machine An abstractionover virtual machines Nodes Azure Cluster Production DataCenterProduction: 1 Node == 1 VM
- 9. Nodes are weavedinto orthogonal Update & Fault Domains Why is it called a Fabric ?
- 10. Azure, own datacenter,windows, linux, amazon, … Multiple hosting options AZURE VMWARE HYPER-V Availability Replica Management Health ALM Load Balancing Diagnostics Partitioning Placement
- 11. Service Fabric Yves Goeleven DemoApplication Model
- 12. Runtime API Layers Programmingmodels Actor Framework API Service Framework API Collection/KVS API State Management API Replication Set Management API [ ] [ ] [ ] [ ] [ ] [ ] Provided By Windows Fabric Provided By User Application Replica set Management State Replication State Storage Messaging Programming Model Business Logic Games, IoT scenarios Traditional Enterprise Applications Custom communication Replicated Data Structure Providers Replicator Providers
- 13. High Level Comparison Choosingbetween Actors & Services Reliable Actors API Reliable Services API Simplicity Flexibility Small independent units of state & logic Logic across multiple components Single threaded objects Use reliable collections to store & manage state Framework manages concurrency & state You manage concurrency & state Platform manages communication You want to manage communication Partitioning scheme managed for you You can manage the partitioning scheme
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- 15. Statefull Stateless Actor Model Client ReliableState Manager Transactional Replicator Local Persistent Log Shared Log Dedicated Log To secondaries Proxy Ac1 Ac2 Ac3 Ac4 Ac5 Proxy Proxy Proxy Proxy Proxy Client Proxy Ac1 Ac2 Ac3 Ac4 Ac5 Proxy Proxy Proxy Proxy Proxy Reliable Dictionary State Provider Actor Activation State State State State State Communication Listener Actor Activation Communication Listener
- 16. Concurrency Actor Model Time ActorId1 Method1 ActorId1 Method2 ActorId1 Timer ActorId2 Method1 ActorId2 Method2 ActorId2 Reminder Request arrived,lock acquired without wait Entered method1 Created task Exited method1 Task completed Lock released Lock acquired Entered method2 Created task Exited method2 Task completed Lock released Request arrived, waiting for lock asynchronously Request arrived, waiting for lock asynchronously Lock acquired Entered callback Created task Exited callback Task completed Lock released Lock acquired Entered callback Created task Exited callback Task completed Lock released Lock acquired Entered method1 Created task Exited method1 Task completed Lock released Request arrived, lock acquired without wait Entered method2 Created task Exited method2 Task completed Lock released Request arrived, waiting for lock asynchronously Request arrived, waiting for lock asynchronously
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- 18. Statefull Stateless Service Model Client Communication Listener ServiceImpl StatefullService StatefullServiceBase Client Communication Listener Service Impl StatelessService StatelessServiceBase Other Communication Channels Client Other Communication Channels Client Reliable State Manager Transactional Replicator Local Persistent Log Shared Log Dedicated Log To secondaries Proxy Proxy
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- 20. Single machine Cluster Mindthe load balancer Machine Client Http Http.sys Node Node Node Node Node Service Client Http Node Node Node Node Node Http.sys Http.sys Http.sys Http.sys Http.sys N L B Service Service Service Service Service *Probing may skew the results a bit
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