Скачать или смотреть Software Architecture in Golang: Orchestrator Pattern

What is the Orchestrator Pattern? Adam Bellemare defines it in his book "Building Event Driven Microservices" as a "pattern where a central Microservice, issues commands to and awaits responses from subordinate worker Microservices".

■ Pros of using the Orchestrator Pattern:
■■ It's relatively easy to implement and maintain because all coordination is in one place.
■■ Workflow is easier to define because of the nature of the centralized orchestration.

■ Cons of using the Orchestrator Pattern:
■■ There's coupling between the orchestrator and services, any upstream changes require changes in the orchestrator.
■■ Single point of failure, because the orchestrator is in charge of the workflow, if it fails everything fails even the if the other services are working correctly.

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■ Software Architecture in Go/Golang:    • Software Architecture and System Design in...  
■ Learning Golang: Concurrency Patterns using errgroup package:    • Learning Golang: Concurrency Patterns usin...  
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00:00 - Introduction to the Orchestrator Pattern for Microservices
01:19 - Example of implementing the Orchestrator Pattern in Golang
12:58 - Conclusion of the Orchestrator Pattern using Golang

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