🚀

High Availability Database Cluster

Production-ready MySQL/MariaDB cluster with automatic failover, load balancing, and disaster recovery.

Core Project

## 🔧 Tech Stack

MariaDB ClusterProxySQLKeepalivedHAProxyPrometheusGrafanaAnsibleLinux Containers

## 📈 Workflow

infrastructure

Cluster Provisioning

Deploy MariaDB cluster nodes

load_balancer

ProxySQL Setup

Configure read/write splitting and failover

Keepalived VIP

Virtual IP for high availability

monitoring

Health Monitoring

Monitor cluster health and performance

backup

Automated Backups

Daily incremental and weekly full backups

## ✨ Features

•3-node MariaDB Galera cluster
•Automatic failover with ProxySQL
•Read/write load balancing
•Keepalived virtual IP management
•Real-time health monitoring
•Automated backup and recovery
•SSL encryption for all connections
•Performance monitoring with Grafana
•Disaster recovery procedures
•Zero-downtime maintenance

## 🎯 Results

✓99.99% uptime achieved
✓Zero data loss in 24 months of operation
✓Handles 50,000+ concurrent connections
✓10TB+ database size managed
✓Automatic recovery from node failures
✓Major cost savings vs cloud alternatives

## 🧩 Use Case

Critical business applications require 24/7 availability. This cluster ensures that even if one database server fails, the system continues operating without interruption.

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