Making 768 servers look like 1

PlanetScale demonstrates how database sharding enables organizations to scale relational databases from single servers to 768 servers handling petabyte-scale data and millions of queries per second, addressing critical bottlenecks in write throughput, storage capacity, and backup performance that replicas alone cannot solve. For CIOs, this represents a fundamental shift in database architecture strategy: as applications grow beyond a few terabytes, sharding becomes operationally essential but introduces significant complexity in query routing, data distribution, and system management that requires robust tooling and architectural planning. IT organizations must recognize that traditional vertical scaling and read-replica strategies have hard limits, and proactive investment in sharding infrastructure and expertise will become critical to supporting high-growth applications.