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Database Index Internals: Understanding the Data Structures
In this article, we will cover the core internal data structures that power database indexes. Each section will walk through how the structure works…
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ByteByteGo
How Discord Stores Trillions of Messages with High Performance
We will walk through how Discord rebuilt its message storage layer from the ground up. We will learn the issues Discord faced with Apache Cassandra® and…
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ByteByteGo
3
EP170: All-in-One Technical Interview Prep Kit
Testing system functionality ensures that a system or software application performs as expected, meets user requirements, and operates reliably.
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ByteByteGo
A Guide to Database Replication: Key Concepts and Strategies
We will cover single-leader, multi-leader, and leaderless replication models, breaking down how each works, what problems they solve, and where they…
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ByteByteGo
1
7 Years, 8 Books, 1 Launch. A lot more to come!
7 Years, 8 Books, 1 Launch.
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Alex Xu
12
How Spotify Uses GenAI and ML to Annotate a Hundred Million Tracks
This article explains how Spotify addressed these challenges by building an annotation platform designed to scale with its machine learning needs.
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ByteByteGo

June 2025

EP169: RAG vs Agentic RAG
What else will you add to better understand RAG vs Agentic RAG?
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ByteByteGo
2
Database Indexing Demystified: Index Types and Use-Cases
In this article, we will explore the basic concept of database indexing and different index types.
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ByteByteGo
Inside Airbnb’s AI-Powered Pipeline to Migrate Tests: Months of Work in Days
This article covers the structure of the automation pipeline, the trade-offs behind prompt engineering vs. brute-force retries, the methods used to…
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ByteByteGo
2
Object Oriented Design Interview Book is here — now available on Amazon!
*BIG* announcement: Our new book, Object Oriented Design Interview, is available on Amazon!
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ByteByteGo
8
EP168: AI Vs Machine Learning Vs Deep Learning Vs Generative AI
What else will you add to understand these concepts better?
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ByteByteGo
1
A Guide to Database Transactions: From ACID to Concurrency Control
In this article, we break down the key building blocks that make transactional systems reliable in the face of concurrency.
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ByteByteGo
2
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