Nikolay and Michael discuss logical replication — some history, initialization, change data capture, how to scale it, some limitiations, and ways that it is getting better. Here are some links to some things they mentioned: Logical replication https://www.postgresql.org/docs/current/logical-replication.html  GitLab upgraded multi-terabyte, heavily-loaded clusters with zero-downtime https://twitter.com/samokhvalov/status/1700574156222505276  pg_waldump https://www.postgresql.org/docs/current/pgwaldump.html  pg_dump and external snapshots (blog post by Michael Paquier) https://paquier.xyz/postgresql-2/postgres-9-5-feature-highlight-pg-dump-snapshots/  Failover of logical replication slots in Patroni (talk by Alexander Kukushkin) https://www.youtube.com/watch?v=SllJsbPVaow  Our episode on replication https://postgres.fm/episodes/replication  ~~~ What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc! ~~~ Postgres FM is brought to you by: Nikolay Samokhvalov, founder of Postgres.ai Michael Christofides, founder of pgMustard With special thanks to: Jessie Draws for the amazing artwork