Design and Implementation of a Multi‑Level Comment Storage System for Bilibili

This article presents a comprehensive design of Bilibili's comment service architecture, detailing the transition from TiDB to a multi‑level storage system based on Taishan KV, the data models, consistency mechanisms, retry and versioning strategies, and a hedging‑based degradation policy to ensure high availability under heavy traffic.

Comment SystemTaishan KVTiDB

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Design and Implementation of a Multi‑Level Comment Storage System for Bilibili

Big Data Technology & Architecture

May 11, 2023 · Big Data

Remote State Backend for Flink: Design, Optimization, and Deployment with Taishan KV Store

This article describes the motivation, challenges, design, and performance optimizations of a remote state backend for Flink that leverages Bilibili's Taishan distributed KV store to achieve storage‑compute separation, lighter checkpoints, faster rescaling, and improved resource utilization in large‑scale streaming jobs.

Big DataFlinkPerformance Optimization

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Remote State Backend for Flink: Design, Optimization, and Deployment with Taishan KV Store