Observable Microservices (O'Reilly SACon London 2018)
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Slides from the talk given at O'Reilly Software Architecture conference in London in Oct 2018. Think of this talk as Microservices 201. You know microservices basics and their pros and cons and have maybe even started putting them in production but haven’t spent much time thinking about how to maintain them. Maria Gomez explores the most important operational concerns for maintaining microservices and explains why observability helps you in maintaining a healthy production environment.
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Observable Microservices (O'Reilly SACon London 2018)
- 2. 2 Head of Technology Thoughtworks Spain ©ThoughtWorks, Inc. 2018
- 5. PRINCIPLES OF MICROSERVICES ©ThoughtWorks, Inc. 2018
- 6. PRINCIPLES OF MICROSERVICES • Modeled around business concepts • Culture of automation • Hide internal implementation details • Decentralize all the things • Deploy independently • Isolate Failure • Highly observable ©ThoughtWorks, Inc. 2018
- 8. WHAT IS OBSERVABILITY? “Observability is the ability to interrogate your system and get accurate answers that improve your understanding of it” ©ThoughtWorks, Inc. 2018
- 9. Logging Monitoring Tracing Visualization & Alerting ©ThoughtWorks, Inc. 2018
- 14. Some suggestions ©ThoughtWorks, Inc. 2018
- 20. LOG AGGREGATION ©ThoughtWorks, Inc. 2018
- 21. LOG STRUCTURED DATA { CreationTime: “2017-02-24T17:49:15”, Id: “9fe0650565-3dac-425a-c83e38499c”, Host: “WEBSRVR06”, ServiceId: “MyShoppingCartService”, ComponentId: “DynamoDBWriter”, Message: “Body size exceeded 400kb limit” …. …. } ©ThoughtWorks, Inc. 2018
- 22. TRACK BUSINESS AND SYSTEM EVENTS { CreationTime: “2017-02-24T17:49:15”, Id: “9fe0650565-3dac-425a-c83e38499c”, Host: “WEBSRVR06”, ServiceId: “MyShoppingCartService”, Type: “BusinessEvent”, Event: “ItemAddedToShoppingCart”, ItemDetail: {…} …. …. ©ThoughtWorks, Inc. 2018
- 23. STANDARDIZE •Standardize certain keys across services •Bake logging into your service template •Build a common log aggregation infrastructure ©ThoughtWorks, Inc. 2018
- 25. Have enough information to help you make decisions ©ThoughtWorks, Inc. 2018
- 26. Evolves with your system ©ThoughtWorks, Inc. 2018
- 28. EXAMPLE Online marketplace 3M+ articles 10M+ users per month ©ThoughtWorks, Inc. 2018
- 30. EXAMPLE Data Stream A Data Stream B Service ©ThoughtWorks, Inc. 2018
- 31. EXAMPLE Service /health { “app” : “ok” } ©ThoughtWorks, Inc. 2018
- 32. EXAMPLE Service /health { “app” : “ok”, “dataStreamA” : “ok”, “dataStreamB” : ”ok” } Data Stream A Data Stream B ©ThoughtWorks, Inc. 2018
- 33. EXAMPLE Data Stream A Data Stream B Service ©ThoughtWorks, Inc. 2018
- 34. EXAMPLE Data Stream A Data Stream B ServiceDB ©ThoughtWorks, Inc. 2018
- 35. EXAMPLE Service /health { “app” : “ok”, “database” : “ok”, “dataStreamA” : “ok”, “dataStreamB” : ”ok” } DB Data Stream A Data Stream B ©ThoughtWorks, Inc. 2018
- 37. SEMANTIC MONITORING https://martinfowler.com/bliki/SyntheticMonitoring.html ©ThoughtWorks, Inc. 2018
- 38. It is accessible by everyone in the team ©ThoughtWorks, Inc. 2018
- 43. Push notifications: Alerts ©ThoughtWorks, Inc. 2018
- 44. ALERTS SHOULD BE ACTIONABLE Title: ConnectionTimeOutException Description: Connection to service A has timed out More info: <link to visualization tool> How to act: <link to run book> ©ThoughtWorks, Inc. 2018
- 46. SMART ALERTS Service /customers Send an email to owner for every 5xx error ©ThoughtWorks, Inc. 2018
- 47. SMART ALERTS Service /customers Raise a high priority alarm when >10 5xx errors in 10 minutes Send an email to owner for every 5xx error ©ThoughtWorks, Inc. 2018
- 48. SMART ALERTS ©ThoughtWorks, Inc. 2018
- 49. SMART ALERTS ©ThoughtWorks, Inc. 2018
- 50. SMART ALERTS ©ThoughtWorks, Inc. 2018
- 52. ABILITY TO FIND THE ORIGIN OF A REQUEST Client 1 …. Client N Third party 1 Third party N Mainframe 1 Mainframe N …. Platform Domain1 …. Domain1 Domain1 Domain1 Domain1 Domain2 Domain1 Domain1 DomainN …. ©ThoughtWorks, Inc. 2018
- 53. ABILITY TO FIND THE ORIGIN OF A REQUEST Client 1 …. Client N Third party 1 Third party N …. Mainframe 1 Mainframe N …. Platform Domain1 …. Domain1 Domain1 Domain1 Domain1 Domain2 Domain1 Domain1 DomainN ©ThoughtWorks, Inc. 2018
- 54. ABILITY TO FIND THE ORIGIN OF A REQUEST Client 1 …. Client N Third party 1 Third party N …. Mainframe 1 Mainframe N …. Platform Domain1 …. Domain1 Domain1 Domain1 Domain1 Domain2 Domain1 Domain1 DomainN TraceID TraceID TraceID TraceID TraceID ©ThoughtWorks, Inc. 2018
- 55. LOG AGGREGATOR ©ThoughtWorks, Inc. 2018
- 56. LOG AGGREGATOR ©ThoughtWorks, Inc. 2018
- 57. LOG AGGREGATOR ©ThoughtWorks, Inc. 2018
- 58. LOG AGGREGATOR ©ThoughtWorks, Inc. 2018
- 59. REQUEST GRAPH ©ThoughtWorks, Inc. 2018
- 63. SERVICE MESH ©ThoughtWorks, Inc. 2018 Service A Service B Service C Service D Service Mesh Service Mesh Service Mesh Service Mesh Tracing system
- 65. ©ThoughtWorks, Inc. 2018 “Observability is the ability to interrogate your system and get accurate answers that improve your understanding of it”
- 66. Logging Monitoring Tracing Visualization & Alerting ©ThoughtWorks, Inc. 2018
- 67. TAKE AWAYS • Structure your data so it can be consumed by other tools • Be intentional about things you log, monitor, and alert on • Proactively iterate and eliminate noise • Evaluate and use existing tools and libraries (OpenTracing, Honeycomb, ioPipe, Datadog, Opsgenie, etc) • Service templates to bootstrap microservices over shared libraries. Service mesh if required. ©ThoughtWorks, Inc. 2018