An Introduction to Progressive Delivery James Governor @monkchips - - PowerPoint PPT Presentation

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An Introduction to Progressive Delivery James Governor @monkchips - - PowerPoint PPT Presentation

Jan 24, 2023 265 likes •843 views

An Introduction to Progressive Delivery James Governor @monkchips co-founder what even is Istio for? What is Progressive Delivery? Technology underpinnings Early adopters @monkchips DevOps CI/CD Progressive Delivery"

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An Introduction to Progressive Delivery

James Governor @monkchips co-founder

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what even is Istio for?

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What is Progressive Delivery? Technology underpinnings Early adopters

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@monkchips

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DevOps

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CI/CD

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“Progressive Delivery"

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“Progressive Delivery is the next step after Continuous Delivery, where new versions are deployed to a subset of users and are evaluated in terms of correctness and performance before rolling them to the totality of the users and rolled back if not matching some key metrics.”

  • Carlos Sanchez, CloudBees
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deploy!=release

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https://www.allthingsdistributed.com/2018/03/ten-years-of-aws-compartimentalization.html

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We roll out a new service to 5% of our customers first. What sort of users choose to use this feature? We roll out the service then leverage our logs to understand the behaviours of the system and users. Logs are integral to understanding how new code is being shipped, how you do A/B testing in production. We do testing in production.” Bruno Kurtic, founding vp

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Istio for Canaries. Jason Yee https://www.youtube.com/watch?v=MGLDRKiXNf0

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Think about which users you’re rolling out a service to, when, in which order and why. Do Japanese customers use services differently? Grubhub canary deploys to small cities first SRE Book Golden signals – latency, errors, traffic, saturation

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developer experience

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Pete Hodgson at martinfowler.com

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If statement for features

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Release Progression – progressively increasing the number of users that are able to see (and are impacted by) new features. Delegation – progressively delegating the control of the feature to the owner that is most closely responsible for the outcome.

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Service meshes give you Advanced service routing and traffic shifting Easier Rollbacks Automatic metrics, logs and traces (Prometheus) And so, Progressive Delivery

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Outages at Expedia

Subbu Alamaraju https://m.subbu.org/incidents-trends-from-the-trenches-e2f8497d52ed

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GitOps

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O11y

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align User Experience and Developer Experience enhanced A/B testing experimentation and feature flags manage deployment target complexity reduce business risk decouple deployment from service activation Bring the business back into control of rollouts – towards product management focus Turn pace of software delivery into a service management feature Avoid rollbacks and emergency fixes across mass user populations Debug in production, across a limited user population Deploy!=Release Think about which users you’re rolling out a service to, when, in which order, and why. Finally a reason to consider Istio Related – GitOps, Observability Use the abundance!

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Additional Reading: Towards Progressive Delivery Progressive Delivery at Sumo Logic New Kingmakers, How Developers Conquered The World by Stephen O’Grady, RedMonk – free ebook. Observability: Charity Majors (@mipsytipsy), Cindy Sridharan (@copyconstruct), Jaana B. Dogan (@rakyll) GitOps - Alexis Richardson, (@monadic) founder of weave.works. What You Need to Know