Nov 1, 2021 · Backend Development

How to Build a Scalable Distributed Timer with Redis and Time Wheel

This article explains the design of a distributed timer service using a time‑wheel data structure stored in Redis, covering application scenarios, required features, architecture components such as access layer, scheduler, worker, and management center, and detailing reliability and performance techniques.

KafkaTime Wheeldistributed timer

0 likes · 13 min read

How to Build a Scalable Distributed Timer with Redis and Time Wheel

Tencent Cloud Developer

Mar 31, 2021 · Backend Development

Design and Implementation of a Distributed Timer Service at Tencent

The article details Tencent’s design and implementation of a distributed timer service—using a multi‑level time‑wheel stored in a KV system, a scheduler daemon, broker, and notifier—to support reliable, low‑latency delayed tasks such as order closure and SMS activation, while addressing isolation, rate limiting, disaster recovery, and delivery guarantees.

KV storageTime Wheeldistributed timer

0 likes · 15 min read

Design and Implementation of a Distributed Timer Service at Tencent