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Robert Haas ff98a5e1e4 hash: Immediately after a bucket split, try to clean the old bucket. 
If it works, then we won't be storing two copies of all the tuples
that were just moved.  If not, VACUUM will still take care of it
eventually.  Per a report from AP and analysis from Amit Kapila, it
seems that a bulk load can cause splits fast enough that VACUUM won't
deal with the problem in time to prevent bloat.

Amit Kapila; I rewrote the comment.

Discussion: http://postgr.es/m/20170704105728.mwb72jebfmok2nm2@zip.com.au
 		2017-08-04 19:33:01 -04:00
config Further improve consistency of configure's program searching. 2017-08-01 11:40:08 -04:00
contrib hash: Increase the number of possible overflow bitmaps by 8x. 2017-08-04 16:30:32 -04:00
doc First-draft release notes for 9.6.4. 2017-08-04 18:37:22 -04:00
src hash: Immediately after a bucket split, try to clean the old bucket. 2017-08-04 19:33:01 -04:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
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HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
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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/.