https://yennj12.js.org/yennj12_blog_V4/tags/database-architecture/Recent content in Database Architecture on YennJ12 Engineering BlogHugo -- gohugo.ioen-usMon, 29 Sep 2025 07:54:22 +0800https://yennj12.js.org/yennj12_blog_V4/posts/mysql-sharding-strategies-comprehensive-guide/Mon, 29 Sep 2025 07:54:22 +0800https://yennj12.js.org/yennj12_blog_V4/posts/mysql-sharding-strategies-comprehensive-guide/🎯 Introduction Database sharding is a critical technique for achieving horizontal scalability in large-scale applications. As data volumes grow beyond what a single database instance can handle efficiently, sharding becomes essential for maintaining performance and availability. This comprehensive guide explores MySQL sharding strategies, comparing different approaches, implementation patterns, and real-world considerations. Sharding involves distributing data across multiple database instances (shards), where each shard contains a subset of the total data. This approach enables applications to scale beyond the limitations of vertical scaling and provides better resource utilization across multiple servers.https://yennj12.js.org/yennj12_blog_V4/posts/redis-sentinel-high-availability-setup-guide/Mon, 29 Sep 2025 07:54:22 +0800https://yennj12.js.org/yennj12_blog_V4/posts/redis-sentinel-high-availability-setup-guide/🎯 Introduction Redis Sentinel provides high availability and monitoring for Redis deployments. It’s a distributed system that monitors Redis master and replica instances, performs automatic failover, and acts as a configuration provider for clients. This comprehensive guide covers Redis Sentinel architecture, setup procedures, Java integration, and production best practices. Redis Sentinel solves critical production challenges including automatic failover, service discovery, and configuration management, making it essential for mission-critical applications that require high availability and minimal downtime.