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Tom Lane 73d1bfd0b5 Prevent autovacuum transactions from running in serializable mode. 
Force the transaction isolation level to READ COMMITTED in autovacuum
worker and launcher processes.  There is no benefit to using a higher
isolation level, and doing so could result in delaying foreground
transactions (or maybe even causing unnecessary serialization failures?).
Noted by Dan Ports.

Also, make sure we disable zero_damaged_pages and statement_timeout in
the autovac launcher, not only workers.  Now that the launcher can run
transactions, these settings could affect its behavior, and it seems
like the same arguments apply to the launcher as the workers.
2011-11-29 22:40:18 -05:00
config python.m4: Remove useless "import string" calls 2011-11-29 06:50:11 +02:00
contrib pg_upgrade: Disable installcheck 2011-11-29 06:57:09 +02:00
doc Change installation docs to mention general debugging options. 2011-11-29 22:35:48 -05:00
src Prevent autovacuum transactions from running in serializable mode. 2011-11-29 22:40:18 -05:00
.gitignore Add gitignore for mingw/cygwin build outputs 2011-06-09 18:11:47 +02:00
aclocal.m4
configure python.m4: Remove useless "import string" calls 2011-11-29 06:50:11 +02:00
configure.in Remove scandir() requirement in pg_upgrade; instead just use readdir() 2011-11-17 21:59:49 -05:00
COPYRIGHT Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
GNUmakefile.in Build src/ before contrib/ in make world 2011-08-24 21:34:49 +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

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/.