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Performance monitoring and call tracing in microservice environments
- 1. Performance Analysis and Call Tracing in Microservice environments Martin Gutenbrunner Dynatrace Innovation Lab @MartinGoowell Microservice Meetup Berlin – 2016-06-30
- 2. About me Started with Commodore 8-bit (VC-20 and C-64) Built Null-Modem connections for playing Doom and WarCraft I Went on to IPX/SPX networks between MS-DOS 6.22 and WfW 3.11 Did DevOps before it was a thing (mainly Java and Web) for ~ 10 years Now at Dynatrace Innovation Lab Tech Lead for Azure and Microservices Find me on Twitter: @MartinGoodwell Passionate about life, technology and the people behind both of them.
- 3. Agenda Traditional monitoring What‘s wrong with it? Performance in your code The dramatic dilemma Happy end @MartinGoodwell
- 4. Questions Please, ask and interrupt anytime! What‘s your occupation? Dev, Ops, BinExec? What‘s your technology stack? Java, .net Node.js Who of you knows what APM is/does?
- 5. A lil` bit o`history Traditional monitoring was for Ops only APM (incl. Call Tracing) is also for devs, debugging, pre-prod @MartinGoodwell
- 7. Host performance CPU-usage Memory-usage Disk IO Network performance @MartinGoodwell Nagios
- 8. What‘s wrong with it? Nothing is wrong Some things might just be out of scope No insight into your application‘s performance @MartinGoodwell
- 9. Performance in your code a.k.a. Application Performance Management @MartinGoodwell
- 14. @MartinGoodwell
- 17. Any downsides here? Basic approaches are subject to polluting your code AOP is the better choice, but requires advanced skills If you‘re not using something like statsd, it‘s hard to have a central spot for all your performance data of different components Great for performance insights of single components What about 3rd parties? Or distributed systems? Like, microservices, maybe @MartinGoodwell
- 18. What about components which we can‘t modify? like databases, message queues, ... @MartinGoodwell
- 19. Best case: use readily available APIs or integrations (statsd, JMX, etc) For open-source: apply same technique as to your own code Keeping in sync with original code can become tedious try to make your changes part of the original project Use dedicated monitoring tools Very common for databases BUT even the best tool is an additional tool How long does it take to get a new team member up-to-speed? @MartinGoodwell
- 21. Microservices vs SOA Microservices fit the scope of a single application Service Oriented Architecture is scoped to fit enterprises / environments / infrastructures @MartinGoodwell
- 22. For a dev, microservices hardly pose any downsides On the upside, the code-size and scope of the domain becomes smaller Any best practices for analyzing performance of a single microservice are still valid The real challenge of microservices is proper operation @MartinGoodwell
- 23. What‘s the challenge about monitoring microservice? The big challenge of well performing microservices is the communication between the microservices Not in the high-performance of a single microservice Tracing calls between services is very difficult @MartinGoodwell
- 30. Leverage on existing tools https://github.com/ordina-jworks/microservices-dashboard @MartinGoodwell
- 31. Spring Cloud Sleuth @MartinGoodwell Sleuth: https://github.com/spring-cloud/spring-cloud-sleuth Spring Cloud Sleuth implements a distributed tracing solution for Spring Cloud.
- 34. So, here we got everything we need? Usually, one tracing solution only covers a single technology Besides visualization, you‘ll also want log analysis ELK stack does this really well, especially in connection with correlation Ids But ELK stack does no visualization And your visualization does no log analysis yet another tool Don‘t get me started about integrating all this with host monitoring... The trace ends, where your code ends No correlation IDs for database calls @MartinGoodwell
- 36. Considerations for custom implementations Multitude of languages Open-source tools can get expensive Manual configuration Often only applicable to a single technology Keep the pace with new technology Serverless code (eg AWS Lambda, Azure Functions) @MartinGoodwell
- 38. The Ops‘ dilemma how to handle all this in production how to identify production issues how to tell the devs, what they should look into, w/o tearing down everything @MartinGoodwell
- 39. All fine? While the Dev can leverage on a huge number of tools, libs and frameworks, it‘s still up to the Ops to integrate it into a single, unified, well-integrated solution that allows to draw the right conclusions @MartinGoodwell
- 40. From Dev to Prod Dev Single transaction Deal with a specific problem No impact on real users and business Can concentrate on single component „perfect world“ A dev‘s deadline is made of Sprints A couple of weeks, usually Ops 100s or 1000s of transactions No idea, what the prob is Slow or bad requests impact real users and business Lots of components that might not be under your control An Op‘s deadline is made of SLAs Hours, maybe just minutes @MartinGoodwell
- 41. The Dev-Ops-Dev-Ops-Dev-Ops dilemma Dev Ops @MartinGoodwell Sprint (days / weeks) SLA (hours / minutes)
- 42. From Prod to Dev Dev Single transaction Deal with a specific problem No impact on real users and business Can concentrate on single component „perfect world“ Ops 100s or 1000s of transactions No idea, what the prob is Slow or bad requests impact real users and business Lots of components that might not be under your control Which? Which? Time! Reproduce ? @MartinGoodwell
- 44. @MartinGoodwell
- 46. Set-up in 5 minutes Install a single monitoring agent per host Everything is auto-detected No changes to your source-code No changes to runtime configuration Supports a wide array of technologies http://www.dynatrace.com/en/ruxit/technologies/ @MartinGoodwell
- 49. Does not end at your custom components @MartinGoodwell
- 50. Baselining Automatically detects and correlates problems without setting thresholds @MartinGoodwell
- 51. Includes the Client-side Browser auto-injection Includes client-side JavaScript in traces and problem-correlation @MartinGoodwell
- 54. Solving a dilemma Include this URL in a trouble ticket and the Dev can jump in right away @MartinGoodwell
- 55. Supporting most popular technologies • Java • .NET • Node.js • PHP • Databases via • JDBC • ADO.NET • PDO • Message Queues • Caches • Cloud Infrastructure Metrics • See more at http://www.dynatrace.com/en/ruxit/technologies/ @MartinGoodwell
- 56. Dynatrace Ruxit 2016 hours for free @MartinGoodwell http://bit.ly/monitoring-2016
- 57. References https://www.nagios.org https://github.com/etsy/statsd/wiki http://veerasundar.com/blog/2010/01/spring-aop-example-profiling-method- execution-time-tutorial/ http://theburningmonk.com/2015/05/a-consistent-approach-to-track-correlation- ids-through-microservices/ http://apmblog.dynatrace.com/2014/06/17/software-quality-metrics-for-your- continuous-delivery-pipeline-part-iii-logging/ https://blog.buoyant.io/2016/05/17/distributed-tracing-for-polyglot- microservices/ https://blog.init.ai/distributed-tracing-the-most-wanted-and-missed-tool-in-the- micro-service-world-c2f3d7549c47#.93r1dj6ah @MartinGoodwell