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0ad8032910
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Robert Haas 0ad8032910 Server-side gzip compression. 
pg_basebackup's --compression option now lets you write either
"client-gzip" or "server-gzip" instead of just "gzip" to specify
where the compression should be performed. If you write simply
"gzip" it's taken to mean "client-gzip" unless you also use
--target, in which case it is interpreted to mean "server-gzip",
because that's the only thing that makes any sense in that case.

To make this work, the BASE_BACKUP command now takes new
COMPRESSION and COMPRESSION_LEVEL options.

At present, pg_basebackup cannot decompress .gz files, so
server-side compression will cause a failure if (1) -Ft is not
used or (2) -R is used or (3) -D- is used without --no-manifest.

Along the way, I removed the information message added by commit
5c649fe153 which occurred if you
specified no compression level and told you that the default level
had been used instead. That seemed like more output than most
people would want.

Also along the way, this adds a check to the server for
unrecognized base backup options. This repairs a bug introduced
by commit 0ba281cb4b.

This commit also adds some new test cases for pg_verifybackup.
They take a server-side backup with and without compression, and
then extract the backup if we have the OS facilities available
to do so, and then run pg_verifybackup on the extracted
directory. That is a good test of the functionality added by
this commit and also improves test coverage for the backup target
patch (commit 3500ccc39b) and for
pg_verifybackup itself.

Patch by me, with a bug fix by Jeevan Ladhe.  The patch set of which
this is a part has also had review and/or testing from Tushar Ahuja,
Suraj Kharage, Dipesh Pandit, and Mark Dilger.

Discussion: http://postgr.es/m/CA+Tgmoa-ST7fMLsVJduOB7Eub=2WjfpHS+QxHVEpUoinf4bOSg@mail.gmail.com
2022-01-24 15:13:18 -05:00
config Temporarily add some information about python include paths to configure. 2022-01-23 23:30:40 -08:00
contrib postgres_fdw: Fix subabort cleanup of connections used in asynchronous execution. 2022-01-21 17:45:00 +09:00
doc Server-side gzip compression. 2022-01-24 15:13:18 -05:00
src Server-side gzip compression. 2022-01-24 15:13:18 -05:00
.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 Temporarily add some information about python include paths to configure. 2022-01-23 23:30:40 -08:00
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
Makefile Dynamically find correct installation docs in Makefile. 2022-01-19 14:48:25 +01:00
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/.