Postgres 16 is out and it has some exciting updates to logical replication. Using a new WAL origin filter, you can avoid loopback transactions. Brian lays out the updates and how to get started with an active active cluster.
Go inside the WAL file with this in-depth look at WAL file Log Sequence Number (LSN), WAL segment positions, WAL file names, and pg_wal_switch.
For customers using Postgres Operator for Kubernetes, Brian details the steps to create storage snapshots using pgBackRest delta restores for non-production use cases. This solves the need for frequent data copies combined with minimizing storage and thin provisioning.
Brian offers a quick and efficient way to compare data between two different Postgres sources using the Postgres Foreign Data Wrapper (postgres_fdw).
A guide to setting up streaming replication between two separate Postgres clusters using the Postgres Operator for Kubernetes.
A full set of sample commands for keeping your data and backups when you remove a Postgres Operator cluster.
Let's look at how we can use cert-manager on Kubernetes to manage TLS for Postgres clusters.