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Storage Model

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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

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How RocketMQ’s Storage Model Powers Fast Message Retrieval

Qunar Tech Salon

Dec 8, 2018 · Backend Development

Design and Implementation of QMQ: Qunar.com’s Internal Message Queue

This article examines Qunar.com’s internally developed message queue (QMQ), discussing the motivations behind building it, the challenges of consistency and storage, client‑side transaction integration, the novel log‑based storage model, and its support for arbitrary delayed messages.

BackendDelayed MessagesMessage Queue

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Design and Implementation of QMQ: Qunar.com’s Internal Message Queue