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The formulas for SEMMNI and SEMMNS do not include the archiver process, which was converted to an auxiliary process in v14, and the WAL summarizer process, which was introduced in v17. This commit corrects these formulas and adds a missing reference to max_wal_senders nearby. Since this section of the documentation tends to be incorrect quite often, we should likely give up on documenting the exact formulas in favor of something less fragile, but that is left as a future exercise. Reported-by: Sami Imseih Reviewed-by: Sami Imseih Discussion: https://postgr.es/m/20240517164452.GA1914161%40nathanxps13 Backpatch-through: 12
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/.