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Robert Haas beb4e9ba16 Improve performance of pgarch_readyXlog() with many status files. 
Presently, the archive_status directory was scanned for each file to
archive.  When there are many status files, say because archive_command
has been failing for a long time, these directory scans can get very
slow.  With this change, the archiver remembers several files to archive
during each directory scan, speeding things up.

To ensure timeline history files are archived as quickly as possible,
XLogArchiveNotify() forces the archiver to do a new directory scan as
soon as the .ready file for one is created.

Nathan Bossart, per a long discussion involving many people. It is
not clear to me exactly who out of all those people reviewed this
particular patch.

Discussion: http://postgr.es/m/CA+TgmobhAbs2yabTuTRkJTq_kkC80-+jw=pfpypdOJ7+gAbQbw@mail.gmail.com
Discussion: http://postgr.es/m/620F3CE1-0255-4D66-9D87-0EADE866985A@amazon.com
2021-11-11 15:20:26 -05:00
config Remove check for accept() argument types 2021-11-09 15:35:26 +01:00
contrib Fix incorrect format placeholders 2021-11-10 08:13:12 +01:00
doc doc: Add referential actions to CREATE/ALTER TABLE synopsis 2021-11-11 10:49:44 +01:00
src Improve performance of pgarch_readyXlog() with many status files. 2021-11-11 15:20:26 -05:00
.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 Remove check for accept() argument types 2021-11-09 15:35:26 +01:00
configure Clean up compilation warnings coming from PL/Perl with clang-12~ 2021-11-11 10:51:00 +09:00
configure.ac Clean up compilation warnings coming from PL/Perl with clang-12~ 2021-11-11 10:51:00 +09:00
COPYRIGHT Update copyright for 2021 2021-01-02 13:06:25 -05:00
GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:46 -04:00
HISTORY
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README
README.git

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/.