The principle of goroutine scheduling

The memory model

GC principle

Channel communication principle

memory model

Concurrent features and concurrent programming modes: Timeout, Pipeline, Cancellation, Fanout, Errgroup

Contexts principles and usage

TCP network programming

HTTP network programming

How Error is handled

Business error handling methods

Good project catalog organization

API design methods and specifications

Package management and design

Unit test method

Git branch management and Commit specification

Highly available DNS best practices

CDN architecture and scenarios

In-depth understanding of the principle of 4/7 equilibrium

Design principles for data sharding

Hash sharding algorithms and evolutionary history

The evolution history and pros and cons of microservices

The design method of microservices

RPC underlying principles and usage

Best practices for usability design

Availability design key points

Log collection

Monitoring the indicator system

Distributed link tracking

Principles and practical skills of Redis, Memcache

MYSQL or common database design and optimization methods

Understand the principles of message queues and master the architectural design of message queues

Service discovery principle, selection strategy, service discovery implementation of the microservices multi-tenant architecture