managing a microservices development team (and advanced microservice concerns)

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Managing a Microservices

Development Team

Steve Pember

CTO, ThirdChannel

@svpember

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Agenda

1. Service Design Philosophy (The Tech)

2. Team Organization (Less Tech)

3. What does it mean to be the CTO / Lead Tech person with

Microservices?

Microservices

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Microservices To The Rescue

• Distributed Application

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Service Design

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Service Design

• A Service is a Bounded Context

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Service Design

• A Service is a Bounded Context

• CAP Theorem

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CAP Theorem (Brewer’s

Conjecture)In a Distributed System, can have two of:

• High (C)onsistency

• High (A)vailability

• High (P)artition Tolerance

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CAP Theorem (Brewer’s

Conjecture)• High (C)onsistency, (A)vailability, or (P)artition Tolerance

• More of a Sliding Scale, Really

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CAP Theorem (Brewer’s

Conjecture)• High (C)onsistency, (A)vailability, or (P)artition Tolerance

• More of a Sliding Scale, Really

• Focus on Speed

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CAP Theorem (Brewer’s

Conjecture)• High (C)onsistency, (A)vailability, or (P)artition Tolerance

• More of a Sliding Scale, Really

• Focus on Speed

• Embrace Eventual Consistency

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Service Design

• A Service is a Bounded Context

• CAP Theorem

• Data Locality

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Data Locality

• Spatial: how far away is the data?

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Data Locality

• Spatial: how far away is the data?

• Temporal: how often is it accessed?

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Data Locality

• Spatial: how far away is the data?

• Temporal: how often is it accessed?

• Microservices Goal: Have highly Spatial Data and efficiently

handle Temporal Data.

Team Organization

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Team Organization

• Multidisciplinary Teams

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DBAs

Engineers

UX / Design

QA

Front End Service

Internal Tools Services

Order Management Service

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Team Organization

• Multidisciplinary Teams

• Conway’s Law

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Conway’s Law

“organizations which design systems ... are constrained to

produce designs which are copies of the communication

structures of these organizations”

-Melvin Conway, 1968

http://en.wikipedia.org/wiki/Conway's_law

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Team Organization

• Multidisciplinary Teams

• Conway’s Law

• Autonomous Teams

Leadership Responsibilities

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Leadership Responsbilities

• Keep Teams Aligned with business goals

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Leadership Responsbilities

• Keep Teams Aligned with business goals

• Drive Microservice Vision

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Leadership Responsbilities

• Keep Teams Aligned with business goals

• Drive Microservice Vision

• Defend Microservice Vision

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Leadership Responsbilities

• Keep Teams Aligned with business goals

• Drive Microservice Vision

• Defend Microservice Vision

• Mentor & Educate

In Summary:

Data Locality is Scary

Empower Your Service Teams

Thank you!