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Tom Lane dc12e477eb Fix memory leak in LogStandbySnapshot(). 
The array allocated by GetRunningTransactionLocks() needs to be pfree'd
when we're done with it.  Otherwise we leak some memory during each
checkpoint, if wal_level = hot_standby.  This manifests as memory bloat
in the checkpointer process, or in bgwriter in versions before we made
the checkpointer separate.

Reported and fixed by Naoya Anzai.  Back-patch to 9.0 where the issue
was introduced.

In passing, improve comments for GetRunningTransactionLocks(), and add
an Assert that we didn't overrun the palloc'd array.
2013-06-04 14:58:57 -04:00
config Don't reject threaded Python on FreeBSD. 2012-02-20 16:21:35 -05:00
contrib Fix pgp_pub_decrypt() so it works for secret keys with passwords. 2013-05-10 13:06:57 -04:00
doc Documentation fix for ALTER TYPE .. RENAME 2013-05-27 11:18:37 -04:00
src Fix memory leak in LogStandbySnapshot(). 2013-06-04 14:58:57 -04:00
.gitignore Add gitignore for mingw/cygwin build outputs 2011-06-09 18:11:47 +02:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Stamp 9.1.9. 2013-04-01 14:23:05 -04:00
configure.in Stamp 9.1.9. 2013-04-01 14:23:05 -04:00
COPYRIGHT Update copyrights for 2013 2013-01-01 17:15:00 -05:00
GNUmakefile.in Build src/ before contrib/ in make world 2011-08-24 21:36:53 +03:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
README.git Trivial typo fix. 2010-09-21 14:16:00 -04:00

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:

	http://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.  Changes between all PostgreSQL releases are recorded in the
file HISTORY.  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
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.