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CommitLog

6 articles · Page 1 of 1
Cloud Architecture
Cloud Architecture
Jun 11, 2026 · Backend Development

RocketMQ Storage HA Deep Dive: CommitLog Mechanics to Production Controller Failover

This article analyzes RocketMQ’s storage high‑availability, detailing the CommitLog, ConsumeQueue, flushing and replication mechanisms, comparing traditional master‑slave, DLedger and Controller modes, and provides engineering configurations, code examples, capacity planning, Kubernetes deployment, monitoring and recovery practices for production‑grade fault tolerance.

CommitLogControllerDLedger
0 likes · 42 min read
RocketMQ Storage HA Deep Dive: CommitLog Mechanics to Production Controller Failover
Lobster Programming
Lobster Programming
Jun 23, 2025 · Backend Development

How RocketMQ’s CommitLog Powers Million‑Level Concurrency

This article explains how RocketMQ’s CommitLog architecture—sequential writes, mmap zero‑copy, PageCache acceleration, fixed‑size log files, flexible flushing strategies, and efficient ConsumeQueue indexing—enables the system to sustain million‑level QPS with high reliability and low latency.

CommitLogPageCacheRocketMQ
0 likes · 6 min read
How RocketMQ’s CommitLog Powers Million‑Level Concurrency
Sanyou's Java Diary
Sanyou's Java Diary
Apr 3, 2023 · Backend Development

How RocketMQ’s Storage Model Powers Fast Message Retrieval

This article breaks down RocketMQ’s storage architecture, explaining how its commitlog, consumequeue, and index files work together to ensure reliable persistence, quick offset-based lookups, and efficient message consumption in a publish‑subscribe model.

CommitLogConsumeQueueIndexFile
0 likes · 9 min read
How RocketMQ’s Storage Model Powers Fast Message Retrieval