@_howitworks: System Design Series - 19 Replication & Sharding 🗄️ Replication and sharding are two fundamental ways to scale databases. Replication copies data across nodes to improve availability and increase read capacity. Sharding splits data across multiple nodes to scale storage and distribute load. Replication scales reads. Sharding scales data. #SystemDesign #Database #Sharding #Replication #SoftwareEngineering