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This option is useful to do a rewind with the server configuration file (aka postgresql.conf) located outside the data directory, which is something that some Linux distributions and some HA tools like to rely on. As a result, this can simplify the logic around a rewind by avoiding the copy of such files before running pg_rewind. This option affects pg_rewind when it internally starts the target cluster with some "postgres" commands, adding -c config_file=FILE to the command strings generated, when: - retrieving a restore_command using a "postgres -C" command for -c/--restore-target-wal. - forcing crash recovery once to get the cluster into a clean shutdown state. Author: Gunnar "Nick" Bluth Reviewed-by: Michael Banck, Alexander Kukushkin, Michael Paquier, Alexander Alekseev Discussion: https://postgr.es/m/7c59265d-ac50-b0aa-ca1e-65e8bd27642a@pro-open.de
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/.