How build-and-deploy-affects-architecture
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This document discusses how software build and deployment processes can shape architectures, specifically for web-based systems that frequently change and have high volumes. It argues that architectures focused on being lightweight, testable, monitorable, configurable, recoverable, and having identifiable components can help systems be more reliable, repeatable, rapid, and able to recover from failures. The document also notes how such architectures allow for load balancing, high availability, scaling, and elasticity.
How build-and-deploy-affects-architecture
- 1. How build and deployment should shape software architectures Matthew Skelton CEng | thetrainline.com IASA UK Ignite 2, London | #iasaignite 10 September 2012
- 2. Systems engineering (robotics, control theory, sensors, neuroscience) Software development (finance, insurance, travel, pharma, media, medical imaging) now Build & Deployment at thetrainline.com @matthewpskelton
- 3. architecture = f (build & deploy) (for some systems)
- 4. “HERESY!”
- 10. ‘R-R-R-R’ BUILD AND DEPLOYMENT Helps to avoid the Ball of Mud
- 12. BUILDABLE Small pipelined builds on generic build machines Seconds, not minutes or hours Short feedback cycles (Dan Worthington-Bodart, @danielbodart - http://bit.ly/M85wsX)
- 13. TESTABLE Test (separation, harnesses, points) IDENTIFIABLE Meaningful versions, packages, defined dependencies, artefact management (think component boundaries)
- 14. DEPLOYABLE Rapid, scriptable, simple failure modes MONITORABLE Logging, metrics, transaction tracing CONFIGURABLE Inject settings – no ‘black boxes’ LIGHTWEIGHT Keep things small and easily comprehendible
- 15. INSTANTIABLE No snowflakes or singletons RECOVERABLE No nasty zombies after failures MTTR more important than MTBF* * for most kinds of F
- 18. Lightweight, Testable, Monitorable, Configurable, Recoverable, Identifiable component architecture
- 19. LOAD BALANCING HIGH AVAILABILITY SCALING ELASTIC ARCHITECTURES RAPID RECOVERY
- 20. architecture = f (build & deploy) (for some systems) thank you IASA: www.iasaglobal.org matthewskelton.net | @matthewpskelton Thanks to: Attila S, Jack R and Owain P for feedback. Picture credits: Petra: Wikimedia/Berthold Werner; army engineers: US DoD; ball of mud: pwern.blogspot.co.uk; sports car: xarj.net; zombie: bjj.org; feather: Wikipedia; punch: thelegalblitz.com; passport: coverpalace.com; dogs: reluctantmemsahib.wordpress.com; Meccano: dalefield.com
Editor's Notes
- #17: If a component e.g. BizTalk is not {scriptable, deployable, buildable, etc.} then get rid of it