Gartner Research

Not Just Microservices: Choose the Right Service Granularity for Your Applications

Published: 17 July 2019

ID: G00386955

Analyst(s): Anne Thomas , Aashish Gupta , Mark O'Neill


Implementing microservices without a clear knowledge of the problems they solve creates unforeseen application costs and risks. This research provides guidance to application leaders on when to use microservices versus other granularities.

Table Of Contents
  • Key Challenges



  • Direct Development Teams to Default to Coarse Granularity (Macroservices and Miniservices)
  • Improve Agility by Decomposing Functionality Based on Change Boundaries
  • Improve Scalability by Refactoring to Eliminate Bottlenecks and Contention
  • Improve Resiliency by Increasing Service Isolation and Employing Chaos Engineering
  • Summary

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