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This commit allows specifying a --sync-method in several frontend utilities that must synchronize many files to disk (initdb, pg_basebackup, pg_checksums, pg_dump, pg_rewind, and pg_upgrade). On Linux, users can specify "syncfs" to synchronize the relevant file systems instead of calling fsync() for every single file. In many cases, using syncfs() is much faster. As with recovery_init_sync_method, this new option comes with some caveats. The descriptions of these caveats have been moved to a new appendix section in the documentation. Co-authored-by: Justin Pryzby Reviewed-by: Michael Paquier, Thomas Munro, Robert Haas, Justin Pryzby Discussion: https://postgr.es/m/20210930004340.GM831%40telsasoft.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. 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/.