Zookeeper: Distributed Coordination Service for ELK Stack

ZooKeeper is an open-source distributed coordination service designed for high availability, performance, and consistency in distributed applications. It provides a fundamental service: distributed locking. Distributed applications can build more advanced services on top of it, such as synchronization services, configuration maintenance, cluste ...

Posted on Thu, 14 May 2026 21:21:03 +0000 by jcantrell

RocketMQ Fundamentals: Installation, Messaging Patterns, and Core Features

Overview =========== MQ (Message Queue) is a mechanism for storing and distributing message data in a structured queue format. A queue, as a fundamental data structure, follows the First-In-First-Out (FIFO) principle. Purpose of Message Queues ============================ Application decoupling (essential for distributed systems) Facilitat ...

Posted on Mon, 11 May 2026 08:59:27 +0000 by MattMan

Dubbo Framework Core Concepts and Advanced Features

Measuring Website Performance Metrics Response Time: Total duration from request initiation to response reception. Concurrency: Number of simultaneous requests a system can handle. Concurrent Connections: Total TCP connections established between clients and server per second. Queries Per Second (QPS): Requests processed per second. Concurrent ...

Posted on Sun, 10 May 2026 19:41:42 +0000 by joe__

Understanding the Paxos Consensus Algorithm for Distributed Systems

The Problem That Paxos Addresses The Paxos algorithm often appears cryptic and difficult to grasp. While numerous papers and articles exist, many feel abstract and unclear about its core principles and practical applications. This complexity stems from two factors: most Paxos materials focus on formal proofs of algorithm correctness, making the ...

Posted on Sat, 09 May 2026 04:39:37 +0000 by zzz

Easy-JMeter: A Web-Based Distributed Performance Testing Platform Built on JMeter

The platform leverages Apache JMeter as its core engine while providing a unified web interface for managing, executing, and analyzing performance tests. It adopts a frontend-backend separation architecture using Vue.js and Spring Boot, with Lin-CMS supplying foundational user management and authentication features. System Architecture Users in ...

Posted on Fri, 08 May 2026 11:57:00 +0000 by N1CK3RS0N

Core Concepts and Operational Mechanics of Apache Kafka

Message middleware enables reliable, synchronous or asynchronous communication between distributed applications using message queues and transmission protocols. It facilitates platform-agnostic data exchange and supports system integration through decoupled, scalable communication models. Apache Kafka is a distributed event streaming platform r ...

Posted on Thu, 07 May 2026 14:14:52 +0000 by golfromeo