🚀
High Availability Database Cluster
Production-ready MySQL/MariaDB cluster with automatic failover, load balancing, and disaster recovery.
## 🔧 Tech Stack
MariaDB ClusterProxySQLKeepalivedHAProxyPrometheusGrafanaAnsibleLinux Containers
## 📈 Workflow
infrastructure
Cluster Provisioning
Deploy MariaDB cluster nodes
load_balancer
ProxySQL Setup
Configure read/write splitting and failover
ha
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
- ✓R$ 1.2M in 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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