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JD Tech Talk

Dec 19, 2024 · Backend Development

Optimizing Log4j2 Asynchronous Logging: Configuration, Diagnosis, and Load‑Testing

This article presents a detailed case study of a severe service outage caused by Log4j2 asynchronous logging bottlenecks, explains step‑by‑step diagnostics of JVM, disk, and RingBuffer metrics, and demonstrates how adjusting log4j2.asyncQueueFullPolicy and log4j2.discardThreshold dramatically improves recovery time during load testing.

ConfigurationJavaPerformance Tuning

0 likes · 14 min read

Optimizing Log4j2 Asynchronous Logging: Configuration, Diagnosis, and Load‑Testing

Rare Earth Juejin Tech Community

Jan 23, 2024 · Backend Development

Understanding the Disruptor Framework: Core Concepts, Wait Strategies, and Usage Examples

This article introduces the open‑source Disruptor framework, explains its ring‑buffer architecture, sequencer, wait‑strategy options, and provides complete Java code examples to demonstrate how to build high‑performance producer‑consumer pipelines without locks.

ConcurrencyDisruptorJava

0 likes · 12 min read

Understanding the Disruptor Framework: Core Concepts, Wait Strategies, and Usage Examples

Sohu Tech Products

Jan 25, 2023 · Backend Development

Introduction to LMAX Disruptor: High‑Performance Java Memory Queue and Its Core Concepts

The article introduces the open‑source LMAX Disruptor, explains why it won the 2011 Duke's Choice Award, compares it with traditional JDK queues, details its core components such as Event, RingBuffer, Producer, and WaitStrategy, and provides a complete Java example that builds a producer‑consumer pipeline using Disruptor.

ConcurrencyDisruptorHighPerformance

0 likes · 12 min read

Introduction to LMAX Disruptor: High‑Performance Java Memory Queue and Its Core Concepts

Code Ape Tech Column

Dec 9, 2022 · Backend Development

Disruptor: Simple Usage and Core Components of a High-Performance Lock-Free Queue in Java

This article introduces Java's Disruptor framework as a high-performance, lock-free queue, explains its core components such as RingBuffer, Sequencer, and WaitStrategy, provides sample code for producers and consumers, and discusses how it avoids lock contention and false sharing.

ConcurrencyDisruptorJava

0 likes · 12 min read

Disruptor: Simple Usage and Core Components of a High-Performance Lock-Free Queue in Java

Selected Java Interview Questions

Dec 7, 2022 · Backend Development

Understanding Java Disruptor: Queues, Core Components, and High‑Performance Lock‑Free Design

This article introduces various Java queue implementations, explains the Disruptor framework’s architecture, demonstrates its usage with complete code examples, and analyzes core components such as RingBuffer, Sequencer, and WaitStrategy while addressing performance issues like false sharing and multi‑producer coordination.

Concurrent QueueDisruptorJava

0 likes · 12 min read

Understanding Java Disruptor: Queues, Core Components, and High‑Performance Lock‑Free Design

Top Architect

Apr 25, 2022 · Backend Development

Comprehensive Guide to Disruptor: Core Concepts, Implementation, and Demo in Java

This article introduces the high‑performance Disruptor library, explains its background, core concepts such as RingBuffer, Sequence, Sequencer, and WaitStrategy, and provides a step‑by‑step Java implementation with Maven dependencies, event factories, handlers, producers, and a runnable test case.

ConcurrencyDisruptorHighPerformance

0 likes · 12 min read

Comprehensive Guide to Disruptor: Core Concepts, Implementation, and Demo in Java

Spring Full-Stack Practical Cases

Jun 30, 2021 · Backend Development

How to Integrate a High‑Performance Snowflake UID Generator into Spring Boot

This guide explains how to integrate the Java‑based Snowflake UIDGenerator into a Spring Boot 2.3 application, covering algorithm fundamentals, RingBuffer optimization, database setup, Maven dependencies, configuration beans, and a test case to generate high‑throughput unique IDs.

Distributed SystemsJavaSpring Boot

0 likes · 9 min read

How to Integrate a High‑Performance Snowflake UID Generator into Spring Boot

Refining Core Development Skills

May 12, 2021 · Fundamentals

Linux Network Packet Sending Process: Deep Dive into Kernel Implementation

This comprehensive article provides an in-depth analysis of how Linux kernel sends network packets, covering the complete process from user-space send() call through protocol stack processing to hardware transmission, with detailed source code examination and performance considerations.

DMALinux kernelSoftIRQ

0 likes · 28 min read

Linux Network Packet Sending Process: Deep Dive into Kernel Implementation