Design, Monitoring, and Testing of Microservices Systems: The Practitioners’ Perspective

We conducted a mixed-methods study with 106 survey responses and 6 interviews from microservices practitioners. The main findings are: (1) a combination of domain-driven design and business capability is the most used strategy to decompose an application into microservices, (2) over half of the participants used architecture evaluation and architecture implementation when designing microservices systems, (3) API gateway and Backend for frontend patterns are the most used MSA patterns, (4) resource usage and load balancing as monitoring metrics, log management and exception tracking as monitoring practices are widely used, (5) unit and end- to-end testing are the most used testing strategies, and (6) the complexity of microservices systems poses challenges for their design, monitoring, and testing, for which there are no dedicated solutions.

This study will be published in the Journal of Systems and Software. Pre-print available here

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