Alibaba Cloud Native

Dec 6, 2023 · Cloud Native

How RocketMQ Implements Random Indexing for Cloud‑Native Storage

This article explains RocketMQ's random indexing mechanism, detailing its on‑disk three‑segment hash table structure, the compact format conversion process, multi‑threaded write and query workflows, layered system design, crash‑recovery strategy, and comparisons with RocksDB and InnoDB storage engines.