Postgres WAL Overflow without Replication volumes -

The concept of replication slots was introduced in PostgreSQL and was created to prevent a primary instance to delete WAL that a replica

This issue occurs in PostgreSQL when a user attempts to create or manage replication slots without the necessary privileges

postgresql replication slot You can enable the use of replication slots for physical replication with the primary-slotname parameter in The physical

postgresql create replication slot In order to be able to ingest events from a Postgres database, Upsolver creates a replication slot for every CDC data source In Postgres