How Vivo’s LuBan Service Generates Billions of Unique IDs with Sub‑millisecond Latency

This article explains the business scenarios that drive the need for globally unique distributed IDs, analyzes the challenges of uniqueness, performance, and availability, and details Vivo's self‑built LuBan ID service—including its architecture, three ID formats, custom extensions, SDK usage, performance optimizations, and real‑world deployment metrics.

Backend ArchitectureLuBanMicroservices

0 likes · 18 min read

How Vivo’s LuBan Service Generates Billions of Unique IDs with Sub‑millisecond Latency

Sohu Tech Products

Mar 8, 2023 · Mobile Development

Android Image Compression Techniques and Luban Algorithm Analysis

This article provides a comprehensive overview of Android image compression, covering bitmap fundamentals, ARGB color model, size calculations, quality and dimension compression methods, the Luban algorithm, its implementation details, performance considerations, and related JPEG Huffman coding techniques.

AndroidBitmapJPEG

0 likes · 27 min read

Android Image Compression Techniques and Luban Algorithm Analysis

Sohu Tech Products

Sep 28, 2022 · Mobile Development

Understanding Android Image Compression: Fundamentals, Algorithms, and Luban Implementation

This article explains Android image compression fundamentals—including ARGB, bitmap memory, bit‑depth vs. colour‑depth, quality and sampling compression methods—then details the Luban algorithm, its shortcomings, proposed improvements, and the underlying Skia/Huffman/JPEG native implementation with code examples.

AndroidBitmapHuffman

0 likes · 27 min read

Understanding Android Image Compression: Fundamentals, Algorithms, and Luban Implementation