Near-Zero-Downtime Postgres Major Upgrades
pg_upgrade in link mode takes seconds. Logical replication takes planning. Here is when each wins, plus a tested Postgres 17 to 18 cutover with a rollback path.
All the articles with the tag "replication".
pg_upgrade in link mode takes seconds. Logical replication takes planning. Here is when each wins, plus a tested Postgres 17 to 18 cutover with a rollback path.
Imported OSM data goes stale fast. Run pyosmium and Nominatim's diff replication pipeline so your geocoder stays accurate without re-importing planet.
Compare Litestream's continuous backup with rqlite's Raft replication for distributed SQLite. Learn when each fits your self-hosted setup.
Postgres replication at home: when you need read replicas, streaming vs logical replication explained, slot management, conflict handling.