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Michael Paquier 5ecd0183fb Fix comments about bgworker registration before MaxBackends initialization 
Since 6bc8ef0b, InitializeMaxBackends() has used max_worker_processes
instead of adapting MaxBackends to the number of background workers
registered by modules loaded in shared_preload_libraries (at this time,
bgworkers were only static, but gained dynamic capabilities as a matter
of supporting parallel queries meaning that a control cap was
necessary).

Some comments referred to the past registration logic, making them
confusing and incorrect, so fix these.

Some of the out-of-core modules that could be loaded in this path
sometimes like to manipulate dynamically some of the resource-related
GUCs for their own needs, this commit adds a note about that.

Author: Nathan Bossart
Discussion: https://postgr.es/m/20220127181815.GA551692@nathanxps13
2022-01-29 10:47:36 +09:00
config Replace use of deprecated Python module distutils.sysconfig, take 2. 2022-01-25 18:52:44 -05:00
contrib Add HEADER support to COPY text format 2022-01-28 09:44:47 +01:00
doc Adjust server-side backup to depend on pg_write_server_files. 2022-01-28 12:31:40 -05:00
src Fix comments about bgworker registration before MaxBackends initialization 2022-01-29 10:47:36 +09:00
.cirrus.yml ci: windows: run initdb with --no-sync. 2022-01-13 10:56:41 -08:00
.dir-locals.el
.editorconfig
.git-blame-ignore-revs Add another old commit to git-blame-ignore-revs. 2021-11-03 17:34:19 -07:00
.gitattributes gitattributes: Add new entry to silence whitespace error 2021-06-05 07:57:31 +02:00
.gitignore
aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Replace use of deprecated Python module distutils.sysconfig, take 2. 2022-01-25 18:52:44 -05:00
configure.ac Make EXEC_BACKEND more convenient on Linux and FreeBSD. 2022-01-11 00:04:33 +13:00
COPYRIGHT Update copyright for 2022 2022-01-07 19:04:57 -05:00
GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:46 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Dynamically find correct installation docs in Makefile. 2022-01-19 14:48:25 +01:00
README Canonicalize some URLs 2020-02-10 20:47:50 +01:00
README.git Canonicalize some URLs 2020-02-10 20:47:50 +01:00

README 

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/.