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We were not waiting for a publisher to catch up with the subscriber after creating a subscription. Now, it can happen that apply worker starts replication even after we have disabled the subscription in the test. This will make the test expect that there is no active slot whereas there exists one. Fix this symptom by allowing the publisher to wait for catching up with the subscription. It is not a good idea to ensure if the slot is still active by checking for walsender existence as we release the slot after we clean up the walsender related memory. Fix that by checking the slot status in pg_replication_slots. Also, it is better to avoid repeated enabling/disabling of the subscription. Finally, we make autovacuum off for this test to avoid any empty transaction appearing in the test while consuming changes. Reported-by: as per buildfarm Author: Vignesh C Reviewed-by: Amit Kapila, Michael Paquier Discussion: https://postgr.es/m/CAA4eK1+uW1UGDHDz-HWMHMen76mKP7NJebOTZN4uwbyMjaYVww@mail.gmail.com |
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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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.