Delay Queue | BestHub

Top Architect

Jun 3, 2024 · Backend Development

Understanding Delay Queues and Implementing Them with JDK, RabbitMQ, Redis, and lmstfy

This article explains the concept, use cases, and common implementations of delay queues—including JDK's DelayQueue, RabbitMQ plugins, and Redis ZSet—followed by a detailed guide to installing, configuring, and using the open‑source lmstfy project, and concludes with promotional information for ChatGPT‑related services.

Delay QueueGoMessage Queue

0 likes · 14 min read

Understanding Delay Queues and Implementing Them with JDK, RabbitMQ, Redis, and lmstfy

Beijing SF i-TECH City Technology Team

May 30, 2024 · Fundamentals

Understanding SFMQ: A Kafka Proxy Layer that Solves Common Message‑Queue Challenges

This article explains the practical problems encountered when using Kafka directly, introduces SFMQ—a Kafka‑based HTTP proxy that unifies client access, simplifies upgrades, provides delay and transaction capabilities via Redis, and demonstrates how its architecture resolves producer, consumer, and operational challenges.

Delay QueueKafkaMessage Queue

0 likes · 18 min read

Understanding SFMQ: A Kafka Proxy Layer that Solves Common Message‑Queue Challenges

Architect

May 29, 2024 · Backend Development

Understanding Delay Queues and Their Implementations with JDK, RabbitMQ, Redis, and lmstfy

This article explains the concept, working principle, common use cases, and various implementations of delay queues—including JDK's DelayQueue, RabbitMQ plugins, Redis sorted sets, and the Go‑based lmstfy project—along with installation, configuration, and sample client code.

Delay QueueGoMessage Queue

0 likes · 11 min read

Understanding Delay Queues and Their Implementations with JDK, RabbitMQ, Redis, and lmstfy

Selected Java Interview Questions

May 20, 2024 · Backend Development

Redis Utility Spring Boot Starter: Features, Usage, and Implementation Details

This article introduces a Spring Boot starter that provides a ready‑to‑use Redis utility suite—including common tools, distributed locks, message queues, delay queues, pagination queries and web helpers—explains how to add the Maven dependency, configure modules via YAML, and details the internal auto‑configuration and bean implementations for MQ and delayed messaging.

Backend DevelopmentDelay QueueDistributed Lock

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Redis Utility Spring Boot Starter: Features, Usage, and Implementation Details

Java Architect Essentials

Apr 16, 2024 · Backend Development

Choosing the Right Delayed Task Solution: Redis Expiration, RabbitMQ Dead Letter, Time Wheel, and Redisson DelayQueue

The article evaluates common delayed‑task implementations—Redis expiration listeners, RabbitMQ dead‑letter queues, time wheels, and Redisson DelayQueue—explaining their drawbacks, proper use cases, and recommending reliable message‑queue solutions for e‑commerce order‑closing scenarios.

Delay QueueMessage QueueRabbitMQ

0 likes · 7 min read

Choosing the Right Delayed Task Solution: Redis Expiration, RabbitMQ Dead Letter, Time Wheel, and Redisson DelayQueue

Top Architect

Aug 31, 2022 · Backend Development

Implementing a Reliable Delay Queue with Redis and Go

This article explains how to build a precise, persistent delay queue using Redis data structures and Lua scripts, demonstrates a Go client library with code examples for sending, consuming, acknowledging, and retrying delayed messages, and discusses the design requirements such as durability, retry mechanisms, and timing accuracy.

Delay QueueGoLua

0 likes · 13 min read

Implementing a Reliable Delay Queue with Redis and Go

Architecture Digest

Aug 31, 2022 · Backend Development

Implementing a Reliable Delay Queue with Redis and Go

This article explains how to build a reliable delayed message queue using Redis, covering business scenarios, requirements such as persistence and retry, the design of Redis data structures, Lua scripts for atomic operations, and a Go implementation with example code for producing and consuming delayed tasks.

Delay QueueDistributed SystemsGo

0 likes · 13 min read

Selected Java Interview Questions

Aug 2, 2022 · Backend Development

Implementing a Reliable Delay Queue with Redis and Go

This article explains how to build a reliable delayed message queue using Redis data structures and Go, covering business scenarios, design requirements, key Redis keys, Lua scripts for atomic operations, message lifecycle management, and provides complete source code for implementation.

Delay QueueGoLua

0 likes · 14 min read

Architecture Digest

Jul 21, 2022 · Backend Development

Implementing a Reliable Redis‑Based Delay Queue in Go

This article explains how to design and implement a precise, persistent, and retry‑capable delay queue using Redis ordered sets and Lua scripts, provides a complete Go library with usage examples, and discusses the underlying data structures, atomic operations, and garbage‑collection mechanisms.

Delay QueueDistributed SystemsGo

0 likes · 11 min read

Implementing a Reliable Redis‑Based Delay Queue in Go

Top Architect

Jul 17, 2022 · Backend Development

Implementing a Reliable Delay Queue with Redis and Go

This article explains how to build a precise, persistent, and retry‑capable delayed task queue using Redis ordered sets, Lua scripts, and a Go client, addressing common e‑commerce scenarios like auto‑closing unpaid orders and sending activation messages.

Delay QueueDistributed SystemsGo

0 likes · 13 min read

Ctrip Technology

May 19, 2022 · Backend Development

Design and Implementation of a Scalable Delay Message Service Using Apache BookKeeper

This article describes how the QMQ delay‑message service was refactored by separating business logic from storage, adopting Apache BookKeeper for high‑availability, zone‑aware disaster recovery, a configurable DNS resolver, a ZooKeeper‑based task coordinator, and a multi‑level sliding‑time‑bucket scheduler to achieve a stateless, elastic architecture.

BookKeeperDelay QueueElastic Architecture

0 likes · 13 min read

Design and Implementation of a Scalable Delay Message Service Using Apache BookKeeper

Architecture Digest

Jan 14, 2022 · Backend Development

Kafka Timing Wheel Algorithm: Design, Multi‑Layer Structure, and Time Advancement

This article explains Kafka's timing wheel algorithm, detailing its O(1) delay operation design, multi‑layer wheel structure, and how Kafka advances time using a DelayQueue, while comparing it with Netty and other open‑source projects.

Delay QueueKafkaPerformance

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Kafka Timing Wheel Algorithm: Design, Multi‑Layer Structure, and Time Advancement

IT Architects Alliance

Jan 10, 2022 · Fundamentals

Kafka Timing Wheel Algorithm: Design, Multi‑Level Wheels, and DelayQueue Integration

The article explains how Kafka implements delayed operations using a timing wheel with O(1) insertion and deletion, describes its parameters, multi‑level wheel design for large time spans, and the mechanism of advancing the wheel via DelayQueue and the ExpiredOperationReaper, contrasting it with Netty's approach.

AlgorithmDelay QueueDistributed Systems

0 likes · 8 min read

Kafka Timing Wheel Algorithm: Design, Multi‑Level Wheels, and DelayQueue Integration

Top Architect

Aug 29, 2021 · Backend Development

Implementation of a Redis-Based Delay Queue in Java

This article explains the design and step‑by‑step implementation of a Redis delay queue using Java and Spring, covering the workflow, core components, task states, public APIs, container classes, timer handling, and testing procedures with complete code examples.

Delay QueueJavaRedis

0 likes · 14 min read

Implementation of a Redis-Based Delay Queue in Java

DeWu Technology

Jun 12, 2021 · Backend Development

Design and Optimization of a High‑Throughput Messaging Platform

To handle exploding daily traffic, the team rebuilt the messaging platform with a unified API, concurrent consumption, MongoDB storage, and a priority scheme that uses separate Kafka topics and adjustable pull ratios, while employing a state‑machine‑driven thread pool, multi‑tier delay mechanisms, and MongoDB/Redis‑based fatigue control, delivering fast, traceable, hierarchical urgent delivery with visual metrics and content safety.

Delay QueueKafkaMessaging

0 likes · 5 min read

Design and Optimization of a High‑Throughput Messaging Platform

Architecture Digest

Oct 22, 2020 · Backend Development

Kafka Timing Wheel: Design, Operation, and Code Walkthrough

The article explains how Kafka handles timeout‑based requests using a Timing Wheel data structure, detailing its design, parameters, operation principles, overflow handling, and providing Scala code examples that illustrate O(1) task insertion compared to traditional O(logN) delay queues.

Data StructuresDelay QueueDistributed Systems

0 likes · 10 min read

Kafka Timing Wheel: Design, Operation, and Code Walkthrough

Full-Stack Internet Architecture

Jul 4, 2020 · Big Data

Common Kafka Interview Questions: Delay Queues, Idempotence, ISR/AR, HW/LEO/LSO, Message Ordering, and Duplicate Consumption

This article reviews typical Kafka interview topics, explaining the implementation of delay queues with hierarchical time wheels, how idempotence is achieved via producer IDs, the meanings of ISR, OSR, AR, HW, LEO, LSO, strategies for guaranteeing message order, and practical solutions for handling duplicate consumption.

Delay QueueDuplicate ConsumptionISR

0 likes · 9 min read

Common Kafka Interview Questions: Delay Queues, Idempotence, ISR/AR, HW/LEO/LSO, Message Ordering, and Duplicate Consumption

JD Tech

Sep 4, 2018 · Backend Development

Design and Evolution of an Order Dispatch System for Instant Delivery Platforms

This article describes the evolution, architectural design, and key implementation details of an order dispatch system for instant‑delivery services, covering problem analysis, delay‑task mechanisms such as database polling, DelayQueue and TimingWheel, and the final solution that combines Redis with a timing‑wheel scheduler and asynchronous processing.

Delay QueueKafkaRedis

0 likes · 11 min read

Design and Evolution of an Order Dispatch System for Instant Delivery Platforms