Episode 63
Logical replication
Postgres FM · Nikolay Samokhvalov and Michael Christofides
September 15, 202343m 1s
Audio is streamed directly from the publisher (media.transistor.fm) as published in their RSS feed. Play Podcasts does not host this file. Rights-holders can request removal through the copyright & takedown page.
Show Notes
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 elephant artwork
Topics
PostgresPostgreSQLDatabasesSQLtechnology