Last time, we talked about 8 fallacies of distributed computing and why our systems end up being more complex than we ever imagined. In our last conclusion, we mentioned that two nodes already have a lot of aspects to consider, let alone a microservice architecture. Microservice architectures have many additional…

Know the three main items of a good design review — This article will take backend development as an example, but the same concepts can be applied to various fields. Before explaining how to prepare a good design review, let’s first introduce what a design review should have. As an architect, I’m going to tell you what I want to see. …

Explained with a code sample — This article is the last of this series. We have already described the problem encountered in data-oriented design. In this article, we will introduce a better way to tackle a feature requirement. We continue the previous example, a sign-in mission, and try a different…

Software design is an evolving process. Every large system starts from a tiny system. When a problem is encountered in the existing architecture but cannot be solved, the system will begin to evolve. Every evolution is accompanied by some technical selections. What problems should be solved? What price will it…

Navigating the Path to Clean Code in Real-world Scenarios — How to design and implement clean architecture more easily has been described in detail in my previous articles. If you are interested in the details, you can refer to the following series of articles. How to Design Software in a Clean Architecture Way Designing Software Using Clean Architecture: Domain-Driven Design …

Explaining Python 3.10’s new features with real-world examples — Pattern matching has finally been supported in Python since 3.10, and this feature, which is common to many functional programming languages, has been painlessly ported to Python. However, for those of us who are new to pattern matching, it’s hard for us to figure out the right use cases and…

Empower Sharding Strategy to Handle Cross-Shard Queries with Confidence — Before discussing sharding, let’s first talk about scaling. We all know that there are two types of scaling, one is vertical scaling, also known as scale-up, and the other is horizontal scaling, aka scale-out. As for scaling, there are different ways for different purposes. For MongoDB, if we want to…

Emulating Shopify’s API Versioning Strategy — For a public API to be called by a user, it is common practice to use versioning to control the impact. For example, when a user calls an API and expects certain results, a change in the API’s interface or behavior can cause unpredictable risks for the caller. …

An Open Source, Flexible and Powerful Event Tracking System — SNOWPLOW is a platform for tracking events, i.e. collecting various user behavior events and analyzing them. Nowadays, there are many famous similar products like Google Analytics, Mixpanel, etc., but in the open source ecosystem, SNOWPLOW has a place. Although there is a paid version of SNOWPLOW, I can’t figure out…