importantSYS.SOURCE: PlanetScale• 2026-07-31T15:17:18Z
Massively Parallel Backup Techniques for Sharded PostgreSQL Databases
The article details PlanetScale's approach to efficiently backing up sharded PostgreSQL databases using parallelism, object storage, and WAL replay to minimize production impact. It outlines the backup lifecycle, including initial and steady-state backups, leveraging EC2 instances and wal-g for scalability.
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