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This guide explains why three servers are needed for high availability, walks through hardware and software preparation, network configuration, MySQL master‑slave replication setup, HAProxy load‑balancing, and firewall/SELinux adjustments, providing complete command‑line examples for each step.
This guide explains how to set up HAProxy monitoring by configuring a Prometheus exporter, adding HAProxy targets to Prometheus, verifying metric collection, and visualizing the data in Grafana with a ready-made dashboard, ensuring reliable and performant services.
This guide walks you through setting up a comprehensive Kubernetes monitoring solution—covering component metrics collection, configuring HAProxy for network access, exposing metrics from kube-proxy, Calico, and kube-state-metrics, and integrating everything into Prometheus for reliable cluster health visibility.
This article explains how modern web architectures use server clusters and load balancers, compares the three most popular software solutions—LVS, Nginx, and HAProxy—covers their architectures, operating modes, advantages, disadvantages, and provides guidance on selecting the right tool for different traffic scales.
This guide explains how to set up a Percona XtraDB Cluster (PXC) using Docker containers, configure five-node replication with strong consistency, and implement HAProxy as a TCP load balancer to achieve high availability and balanced read/write traffic across the cluster.
This guide introduces HAProxy, an open‑source L4/L7 load balancer, and walks through its core features, performance and stability characteristics, step‑by‑step installation on CentOS 7, configuration of both L7 and L4 balancing, monitoring, and setting up high‑availability with Keepalived.
This comprehensive guide explains what HAProxy is, its core functions and key features, then walks through installing, configuring, and running both L7 and L4 load balancers on Linux, adding logging, log rotation, monitoring, and achieving high availability with Keepalived.
This tutorial explains what HAProxy is, its core capabilities and key features, provides step‑by‑step instructions for installing and running it on CentOS 7, demonstrates how to build both L7 and L4 load balancers, details essential configuration options, and shows how to achieve high availability with Keepalived, all illustrated with practical code examples and screenshots.
This tutorial explains how to incorporate Kubernetes into an existing CI/CD pipeline using Jenkins, Ansible, Docker, and HAProxy to achieve high‑availability microservice deployments, seamless production code changes, and scalable container management for both large and small software companies.
This tutorial explains how to incorporate Kubernetes into an existing CI/CD workflow using Jenkins, shared libraries, Docker, Ansible playbooks, and HAProxy to achieve high‑availability microservice deployments, covering tool setup, pipeline configuration, Dockerfile creation, Kubernetes manifests, and scaling new services.
This article explains the principles of server clustering and load balancing, compares the three most widely used software load balancers—LVS, Nginx, and HAProxy—covering their architectures, NAT/DR modes, advantages, disadvantages, and typical deployment scenarios for modern web services.
This article explains the concept of load balancing, its classification across OSI layers, common software and hardware solutions like LVS, Nginx and HAProxy, and various algorithms such as round‑robin, hash, and least‑connections, helping readers design scalable and reliable server clusters.
This article provides a comprehensive overview of server clustering and load balancing technologies, detailing the roles of LVS, Nginx, and HAProxy, their architectures, operating modes, advantages, disadvantages, and practical deployment scenarios for modern web services.
This article explains how to achieve high‑availability software load balancing by combining the open‑source HAProxy reverse‑proxy with Keepalived, covering installation, configuration of VRRP, health checks, session persistence, SSL termination, and traffic routing on CentOS systems.
This guide explains how to achieve Jenkins high availability by deploying two Jenkins master nodes behind HAProxy, sharing Jenkins home via NFS, and configuring HAProxy load balancing and health checks, including detailed host setup, NFS and Jenkins installation steps, and test results.
Load balancing distributes client requests across multiple servers to improve performance, reliability, and scalability, and can operate at different OSI layers—L2, L3, L4, and L7—using various techniques such as round‑robin, hash, and dynamic algorithms, with popular software solutions like LVS, Nginx, and HAProxy.
This article walks through a systematic investigation of a web page that takes 2‑2.4 seconds to load, covering HAProxy configuration checks, network latency tests, TCP three‑handshake and packet‑capture analysis, and finally pinpointing MySQL connection handling as the root cause.
This article explains the purpose of load balancing in distributed systems, describes its classification across OSI layers, outlines typical deployment topologies, reviews popular software solutions such as LVS, Nginx, and HAProxy, and summarizes both static and dynamic load‑balancing algorithms.
Load balancing distributes incoming traffic across multiple servers to improve performance, reliability, and scalability, and this article explains its purpose, the differences between layer‑2, layer‑3, layer‑4 and layer‑7 balancing, common software solutions like LVS, Nginx and HAProxy, and various static and dynamic load‑balancing algorithms.
This article explains how to transform a traditional monolithic deployment into a fully automated micro‑services environment by containerizing services, using Consul for dynamic service discovery and configuration, and configuring HAProxy with DNS resolvers to achieve seamless load balancing and zero‑downtime updates.