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JD Tech Talk
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.

ConfigurationJavaRingBuffer
0 likes · 14 min read
Optimizing Log4j2 Asynchronous Logging: Configuration, Diagnosis, and Load‑Testing
Su San Talks Tech
Su San Talks Tech
May 11, 2024 · Backend Development

Unlock Ultra‑Fast Java Concurrency with the Disruptor Framework

Disruptor is an open‑source, lock‑free Java framework that uses a ring‑buffer and sequencer to achieve ultra‑high‑throughput, handling millions of events per second, and is employed by projects like LMAX, Storm, Camel, and Log4j2, with detailed concepts, wait strategies, and usage examples.

DisruptorJavaRingBuffer
0 likes · 13 min read
Unlock Ultra‑Fast Java Concurrency with the Disruptor Framework
Sohu Tech Products
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.

DisruptorHighPerformanceProducerConsumer
0 likes · 12 min read
Introduction to LMAX Disruptor: High‑Performance Java Memory Queue and Its Core Concepts
Selected Java Interview Questions
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.

DisruptorJavaRingBuffer
0 likes · 12 min read
Understanding Java Disruptor: Queues, Core Components, and High‑Performance Lock‑Free Design
Top Architect
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.

DisruptorHighPerformanceJava
0 likes · 12 min read
Comprehensive Guide to Disruptor: Core Concepts, Implementation, and Demo in Java
Xiao Lou's Tech Notes
Xiao Lou's Tech Notes
Mar 20, 2021 · Databases

High-Performance SQL Auditing in Cobar: Architecture, Buffers, and UDP

This article describes how to implement a low‑overhead SQL audit feature for the Cobar database middleware by modifying its code, using an agent with Kafka, choosing UDP for inter‑process communication, and designing a custom ring‑buffer to achieve near‑baseline throughput with only minimal performance loss.

CobarJavaRingBuffer
0 likes · 11 min read
High-Performance SQL Auditing in Cobar: Architecture, Buffers, and UDP
Programmer DD
Programmer DD
Sep 25, 2018 · Fundamentals

Why Disruptor Beats Traditional Queues: Inside Java’s High‑Performance RingBuffer

This article explains how the Disruptor library implements lock‑free, bounded queues using a ring‑buffer, cache‑line padding and CAS operations, compares single‑ and multi‑producer sequencers, and provides practical Java code examples for building ultra‑low‑latency producer‑consumer pipelines.

High performance queueJava concurrencyMulti-producer
0 likes · 30 min read
Why Disruptor Beats Traditional Queues: Inside Java’s High‑Performance RingBuffer