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Coming to terms: Two pizza team

October 21, 2022
Don Schenck
Related topics:
Microservices
Related products:
Red Hat OpenShiftRed Hat Enterprise Linux

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    This is one post in a series of posts that will present and define terms that are used in distributed computing, cloud-native computing, and/or container-based development.

    Two pizza team

    The term "Two pizza team" comes from Amazon and describes a team size such that it is the number of people that can be fed by two pizzas. The reality is that the term is not only a reference to team size but, rather, underscores the concept of "Accountability".

    In the world of Cloud Native Computing, a small team is responsible for an application and its life, from inception to coding to support (some people make an exception for security, which may be handled by a central security team for the sake of consistency and completeness). In traditional (e.g. waterfall) SDLC schemes, teams are built around the division of responsibilities: Design, development, testing, database, operations, etc.

    In the microservices model, teams are built around a function or unit of work: Adding to inventory, retrieving a list of nearby stores, etc. This typically small team is free to design, develop, test and deploy the microservice as it sees fit. Language choice (Java, C#, Go, etc.) is not governed by an outside management force but is determined by the team's skill set or a particular language's best fit for a function.

    The application design is determined by the team; any local database is their choice as well, as it is deployed with the solution. Likewise, testing remains their challenge, with a built-in incentive: The team also supports the application, so fewer defects means less time spent in support. On the other hand, a problem at 3 AM on a Saturday is the team's responsibility and theirs alone.

    Last updated: July 28, 2023
    Disclaimer: Please note the content in this blog post has not been thoroughly reviewed by the Red Hat Developer editorial team. Any opinions expressed in this post are the author's own and do not necessarily reflect the policies or positions of Red Hat.

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