IT Architects Alliance
Apr 14, 2023 · Databases
Comprehensive Guide to Database Horizontal Scaling, Smooth 2N Expansion, and Keepalived High‑Availability Configuration
This technical guide explains how to scale a sharded database horizontally by introducing five expansion schemes—including shutdown, write‑stop, log‑based, dual‑write, and smooth 2N approaches—covers MariaDB installation, master‑master replication setup, dynamic data‑source configuration with ShardingJDBC, and detailed Keepalived high‑availability configuration for seamless service continuity.
Database ScalingDynamic Data SourceHigh Availability
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