Latest Database-Scaling Articles

Database performance is not determined by a single optimization. Query patterns, indexes, schema design, concurrency, replication, and data distribution all influence how a database behaves as traffic and data volume increase.

Database partitioning divides a large table into smaller physical pieces called partitions while preserving a single logical table from the application's perspective.

A read replica is a copy of a database that receives replicated data from a primary database and is primarily used to serve read queries. Applications continue sending writes to the primary while some or most reads are routed to replicas.

Database sharding is a scaling technique that splits data across multiple independent database servers . Instead of storing every row on one database, each shard owns only a portion of the dataset.