Wait for the standby to catch up before syncing the slots with pg_sync_replication_slots(), otherwise, the logical slot could be ahead and the sync would fail. The other way to fix the test is to change it to use slotsync worker and poll for the sync to get finished but the current approach is better as this is a predictable way to write the test. Per buildfarm Author: Hou Zhijie Reviewed-by: Amit Kapila Discussion: https://postgr.es/m/OS0PR01MB571665359F2F5DCD3ADABC9F94002@OS0PR01MB5716.jpnprd01.prod.outlook.com
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.