https://www.pistack.xyz/tags/pglogical/ Recent content in Pglogical on Pi Stack Hugo en-us Sun, 10 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-10-postgresql-logical-replication-pglogical-wal2json-pgoutput-guide/ Sun, 10 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-10-postgresql-logical-replication-pglogical-wal2json-pgoutput-guide/ <p>PostgreSQL offers two replication paradigms: <strong>physical (streaming) replication</strong>, which copies entire database clusters byte-for-byte, and <strong>logical replication</strong>, which replicates individual tables, rows, and columns at the SQL level. While physical replication is ideal for read scaling and disaster recovery, logical replication enables selective data synchronization, multi-master setups, zero-downtime migrations, and change data capture (CDC) pipelines.</p>