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System Design

A collection of 24 issues

Database Scaling

As our data refineries grow in size and complexity, the need for efficient database scaling techniques becomes paramount. In this post, we'll dive into the world of database scaling, exploring the intricacies of indexing, replication, and partitioning/sharding. These techniques are the unsung heroes that keep our digital

NoSQL

This blog post peeks into the world of NoSQL databases, the unsung heroes in managing your digital assets. We'll explore what NoSQL is, its various types, popular examples, and the challenges they bring to the table. What is NoSQL? Imagine a world where data isn't confined

How to effectively evaluate your RAG + LLM applications

Hey there! Ever wondered how some of today's applications seem almost magically smart? A big part of that magic comes from something called RAG and LLM. Think of RAG (Retrieval-Augmented Generation) as the brainy bookworm of the AI world. It digs through tons of information to find exactly

Build your own RAG and run it locally: Langchain + Ollama + Streamlit

With the rise of Large Language Models and its impressive capabilities, many fancy applications are being built on top of giant LLM providers like OpenAI and Anthropic. The myth behind such applications is the RAG framework, which has been thoroughly explained in the following articles: Building RAG-based LLM Applications for

Relational Database

The history of relational databases stretches back to the 1970s, marking them as a time-tested method for structuring and accessing data. In the digital era, data is the lifeblood of companies, and efficient data storage becomes crucial as the amount of data skyrockets. Today, we will talk about foundational concepts

System Availability

In the world of system design, one of the most critical attributes that most architects aim to achieve is availability. Availability refers to the ability of a system to remain operational and accessible to users even in the face of various failures, disruptions, and maintenance activities. Ensuring high availability is

System Scalability

In the ever-evolving world of technology, system architects are continually challenged with designing systems that can handle increasing workloads and traffic while maintaining optimal performance and reliability. Generally, the most optimistic scenario we can have is linear scalability. For example, if we're to double the amount of resources,

System Performance

Building a system that can handle large amounts of traffic and respond in a responsible time is the eventual goal of any system design problem. Before digging into the trick and specific design pattern, let's talk about what is the performance issue for a system first. Response Time

Monolith: Bí mật đằng sau Tiktok

Monolith: Real Time Recommendation System With Collisionless Embedding Table Mới đây, ByteDance vừa cho đăng tải paper mô tả hệ thống khuyến nghị theo thời gian thực của họ. ByteDance chính là công ty mẹ của TikTok, do đó sự thành công của TikTok là minh chứng rõ ràng cho

Bloom Filter: Cấu trúc dữ liệu dựa trên xác suất

Bloom filter là một cấu trúc dữ liệu dựa trên xác suất được giới thiệu lần đầu bởi Burton Howard Bloom vào năm 1970. Đây là một cấu trúc dữ liệu đơn giản nhưng cực kỳ hiệu quả và được dùng trong rất nhiều ứng dụng khác nhau, đặc biệt