PostgreSQL Backup and Recovery
The PostgreSQL backup model Klio builds on: the WAL archive, physical base backups and point-in-time recovery, and how Klio implements each.
Architectures & Tiers
Klio's two storage tiers, a local Klio Server for fast recovery and object storage for long-term retention, and the deployment layouts each one supports.
WAL Streaming
How Klio streams WAL records from the PostgreSQL primary in real time, and why that replaces the traditional archive command.
Data deduplication in Klio
How Kopia stores base backups as content-addressed chunks.