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Tom Lane 0f47457f11 Remove our artificial PG_SOMAXCONN limit on listen queue length. 
I added this in commit 153f40067, out of paranoia about kernels
possibly rejecting very large listen backlog requests.  However,
POSIX has said for decades that the kernel must silently reduce
any value it considers too large, and there's no evidence that
any current system doesn't obey that.  Let's just drop this limit
and save some complication.

While we're here, compute the request as twice MaxConnections not
twice MaxBackends; the latter no longer means what it did in 2001.

Per discussion of a report from Kevin McKibbin.

Discussion: https://postgr.es/m/CADc_NKg2d+oZY9mg4DdQdoUcGzN2kOYXBu-3--RW_hEe0tUV=g@mail.gmail.com
2022-08-23 10:15:06 -04:00
config Remove configure probes for sockaddr_storage members. 2022-08-22 17:50:30 +12:00
contrib Use correct LSN for error reporting in pg_walinspect 2022-08-18 14:23:30 -07:00
doc Doc: document possible need to raise kernel's somaxconn limit. 2022-08-23 10:15:06 -04:00
src Remove our artificial PG_SOMAXCONN limit on listen queue length. 2022-08-23 10:15:06 -04:00
.cirrus.yml ci: remove minor version from freebsd image name 2022-07-31 18:51:47 -07:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Backpatch addition of .git-blame-ignore-revs 2022-08-05 19:36:24 +02:00
.gitattributes Remove trailing whitespace from *.sgml files. 2022-04-20 11:04:49 -04:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Remove configure probes for sockaddr_storage members. 2022-08-22 17:50:30 +12:00
configure.ac Remove configure probes for sockaddr_storage members. 2022-08-22 17:50:30 +12:00
COPYRIGHT Update copyright for 2022 2022-01-07 19:04:57 -05:00
GNUmakefile.in Run tests of libpq on installcheck-world, checkprep and check-world 2022-06-03 13:15:20 +09:00
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/.