Databases & Storage
A Crash Course on Database Sharding
Database sharding horizontally partitions data across multiple independent database instances to improve query performance, write throughput, and overall availability. Effective sharding requires careful consideration of data distribution, query patterns, and operational complexity.
ShardingShardsRange-based shardingHash-based shardingDirectory-based shardingConsistent hashingCross-shard queriesResharding
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A Crash Course on Database Sharding - System Design Diagram
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