Database scaling has long been one of the most stubborn architectural bottlenecks for growing technology companies. While relational databases like PostgreSQL remain the gold standard for data integrity and developer familiarity, scaling them horizontally requires immense operational overhead. PlanetScale is making a major move to solve this exact problem with the launch of Neki, a new horizontally sharded Postgres solution currently available in platform preview.
Built by the maintainers of Vitess, the powerful database clustering system behind massive internet infrastructure providers like Slack, Square, and Cursor, Neki represents a distinct architectural effort. PlanetScale clarifies that Neki is not simply a port of Vitess. Instead, it is built completely from scratch to specifically target the unique scalability and operational challenges inherent to the Postgres ecosystem.
At its core, Neki is designed to abstract away the deep complexities of distributed database management. The system places a sophisticated proxy router between client applications and underlying Postgres nodes. This router parses, plans, and coordinates all incoming Postgres traffic, directing queries to the correct nodes with high efficiency. For builders and engineering teams, the entire distributed architecture is hidden behind a single connection string that speaks the standard Postgres wire protocol.
Beyond basic routing, Neki tackles the heavy operational tasks that typically require dedicated database administration teams. The platform manages sharding, online schema changes, connection pooling, replication workflows, and zero-downtime upgrades. Furthermore, it integrates tightly with native PlanetScale features like query insights, anomaly detection, and automated schema recommendations.
Crucially, Neki is not restricted to massive enterprises with hundreds of terabytes of data. According to PlanetScale, organizations can adopt Neki for small, unsharded Postgres databases starting at just a few gigabytes. A new database begins as an unsharded cluster, allowing teams to immediately benefit from advanced connection pooling, cluster management, and zero-downtime upgrades. As business growth demands it, teams can transition to a sharded model depending on traffic patterns and data volume.
For founders and technical leaders, Neki represents a shift in how infrastructure decisions are made during early architectural planning. Teams can now build on standard Postgres from day one without writing custom sharding logic or planning for a painful database migration later when growth spikes. By packaging distributed database orchestration into a familiar interface, PlanetScale is lowering the barrier to entry for hyper-growth engineering organizations.