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Apportioning Monoliths

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Kevin Goldsmith
Kevin Goldsmith

Breaking up monoliths in your schedule, your team and in your software architectures to increase velocity and innovation. The video of my presentation of this talk at the Daho.am 2015 conference is available at https://www.youtube.com/watch?v=E8OQ_u7El38&lt

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Apportioning Monoliths Kevin Goldsmith
Let’s say I wanted to build a large application
Some requirements ‣ Mustscaletomillionsofusers ‣ Supportmultipleplatforms ‣ Handlecomplexbusinessrules ‣ Competitiveinafastmovingmarket ‣ ReactQuickly ‣ Out-innovate
A product like this
Apportioning Monoliths
A product like this ‣ 60MillionMonthlyActiveUsers ‣ 58Countries(sorry,notBelarusyet) ‣ >20,000songsaddedperday ‣ >1.5Bplaylists ‣ Incrediblycomplexbusinessrules ‣ Lotsofcompetition
A product like this ‣ 60MillionMonthlyActiveUsers ‣ 58Countries(sorry,notBelarusyet) ‣ >20,000songsaddedperday ‣ >1.5Bplaylists ‣ Incrediblycomplexbusinessrules ‣ Lotsofcompetition
Howdoyousupport theserequirements whilemovingfast andinnovating?
Agile!
Product Release Calendar
Product Release Calendar Spec
Product Release Calendar Spec Code
Product Release Calendar Spec Code Test
Product Release Calendar Spec Code Test Release
Product Release Calendar Spec Code Test Release
Product Release Calendar Spec Code Test Release ProductInnovation
Product Release Calendar Spec Code Test Release ProductInnovation
Product Release Calendar Spec Code Test Release ProductInnovation
Product Release Calendar Spec Code Test Release ProductInnovation
Product Release Calendar Spec Code Test Release ProductInnovation
Product Release Calendar Spec Code Test Release ProductInnovation
Product Release Calendar Spec Code Test Release ProductInnovation
“To improve is to change; to be perfect is to change often” Winston Churchill
I thought you said you wanted to build a large application?
Scaling Agile
Challenges
Challenges Synchronization
Challenges Synchronization { Scrum of scrums PSI/Release planning Cadence
Challenges Synchronization Alignment
Solution Autonomous Teams
Autonomous adjective au·ton·o·mous - ȯ-ˈtä-nə-məs (of a country or region) having the freedom to govern itself or control its own affairs. "the federation included sixteen autonomous republics" having the freedom to act independently. "school governors are legally autonomous" synonyms: self-governing, independent, sovereign, free, self-ruling, self- determining, autarchic; self-sufficient "an autonomous republic"
Autonomous adjective au·ton·o·mous - ȯ-ˈtä-nə-məs (of a country or region) having the freedom to govern itself or control its own affairs. "the federation included sixteen autonomous republics" having the freedom to act independently. "school governors are legally autonomous" synonyms: self-governing, independent, sovereign, free, self-ruling, self-determining, autarchic; self-sufficient "an autonomous republic"
Challenges Synchronization Alignment
Server Core Library Platform Platform Platform Platform Infrastructure
“Organizations which design systems ... are constrained to produce designs which are copies of the communication structures of these organizations” Melvin Conway
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure VP client director client manager client manager client manager client manager server director core manager infra director server manager server manager
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure
Inverse Conway Maneuver evolve your team and organizational structure to promote your desired architecture.
Server Core Library Platform Platform Platform Platform Infrastructure
Server Core Library Platform Platform Platform Platform Infrastructure
platforms Server Core Library Platform Platform Platform Platform Infrastructure
platforms Server Core Library Platform Platform Platform Platform Infrastructure FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam
platforms Server Core Library Platform Platform Platform Platform Infrastructure FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam
platforms Server Core Library Platform Platform Platform Platform Infrastructure FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam
platforms Server Core Library Platform Platform Platform Platform Infrastructure FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam
platforms Server Core Library Platform Platform Platform Platform Infrastructure FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam
Full-stack autonomous teams
Full-stack autonomous teams increases the learning opportunities
Throughput over velocity
Full-stack autonomous teams Works well for steady state of development
Full-stack autonomous teams Need to shift for the step-change innovation projects towards synchronization (but not completely)
What this looks like at Spotify ‣ 70+teams ‣ 600+Developers ‣ 5Developmentoffices ‣1Product
Full-stack autonomous teams Requires you to structure your application in loosely coupled parts
Loosely Coupled Architecture
Server
Apportioning Monoliths
Apportioning Monoliths
Apportioning Monoliths
Apportioning Monoliths
LoadBallancer
Apportioning Monoliths
Apportioning Monoliths
Apportioning Monoliths
Microservices ‣ Easiertoscalebasedonreal-world bottlenecks ‣ Easiertotest ‣ Easiertodeploy ‣ Versionindependently ‣ Lesssusceptibletolargefailures ‣ Hardertomonitor ‣ Needgooddocumentation
Client
Apportioning Monoliths
Apportioning Monoliths
Apportioning Monoliths
Shared Frameworks
Shared Frameworks FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam
Shared Frameworks FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam App Release Team
Shared Frameworks FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam App Release Team Common UI Components UI Interface Guidelines SharedTesting Frameworks
Shared Frameworks FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam App Release Team IntegrationTesting App Submittal UI Consistency Validation
Shared Frameworks FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam FeatureTeam App Release Team Shared DevelopmentTree Best Practice Sharing
Questions twitter: @kevingoldsmith

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Apportioning Monoliths