The subject of microservices interviewquestions for 4 years encompasses a wide range of important elements. What are microservices?. The microservices pattern language is your guide when designing an architecture: service collaboration, testing, deployment, common crosscutting concerns and more. Microservices Pattern: Microservice Architecture pattern. I appreciate how you highlighted the benefits of microservices, such as increased scalability and faster development cycles, while also addressing the potential challenges involved. Microservices presentations.
In this presentation, I describe how dark energy and dark matter are excellent metaphors for the competing forces (a.k.a. concerns) that must be resolved by the microservices pattern language. Pattern: Saga - Microservices.
The complexity of SQL databases didn't just happen by chance. They evolved through necessity, and this new world of micro services feels like it was developed by a bunch of coders, who didn't understand all the advanced features under the hood of a SQL db and what ACID transactions really mean. Pattern: API Gateway / Backends for Frontends - Microservices.
The granularity of APIs provided by microservices is often different than what a client needs. Microservices typically provide fine-grained APIs, which means that clients need to interact with multiple services. A pattern language for microservices. Architectural style Which architectural style should you choose for an application?
Building on this, monolithic architecture - architect an application as a single deployable unit Microservice architecture - architect an application as a collection of independently deployable, loosely coupled services Service boundaries How to decompose an application into services? Decompose by business capability - define ... Pattern: Transactional outbox - Microservices.
Using this pattern and thinking in microservices, once each service has its own database, should I have an Outbox table in each service database or should I have a common (centralized) database/service? Pattern: Health Check API - Microservices. The Microservices Example application is an example on an application implements a health check API. It is written in Scala and uses Spring Boot and Spring Cloud as the Microservice chassis.
Microservices rules #8: Design independently deployable services. This is another article in the series about microservices rules: what good looks like, which are a set of principles and practices for using microservices effectively. In relation to this, several microservices maintaining connection pools to the same database creates contention. This perspective suggests that, multiple independent processes accessing the database via some ORM layer can cause hard to diagnose and difficult to fix heisenbugs, or even data corruption.
📝 Summary
The key takeaways from this article on microservices interview questions for 4 years show the value of understanding this subject. When utilizing this information, one can achieve better results.