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15ce2d2e4a
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Bruce Momjian 15ce2d2e4a > I can see a couple possible downsides: (a) the library might have some 
> weird behavior across fork boundaries; (b) the additional memory space
> that has to be duplicated into child processes will cost something per
> child launch, even if the child never uses it.  But these are only
> arguments that it might not *always* be a prudent thing to do, not that
> we shouldn't give the DBA the tool to do it if he wants.  So fire away.

Here is a patch for the above, including a documentation update. It
creates a new GUC variable "preload_libraries", that accepts a list in
the form:

   preload_libraries = '$libdir/mylib1:initfunc,$libdir/mylib2'

If ":initfunc" is omitted or not found, no initialization function is
executed, but the library is still preloaded. If "$libdir/mylib" isn't
found, the postmaster refuses to start.

In my testing with PL/R, it reduces the first call to a PL/R function
(after connecting) from almost 2 seconds, down to about 8 ms.

Joe Conway
2003-03-20 04:51:44 +00:00
config Factor out the code that detects the long long int snprintf format into a 2003-01-28 21:57:12 +00:00
contrib Just some fixups to a couple contrib directories I was trying out. 2003-03-20 04:39:27 +00:00
doc > I can see a couple possible downsides: (a) the library might have some 2003-03-20 04:51:44 +00:00
src > I can see a couple possible downsides: (a) the library might have some 2003-03-20 04:51:44 +00:00
aclocal.m4
configure Use poll(2) in preference to select(2), if available. This solves 2003-03-06 03:16:55 +00:00
configure.in Use poll(2) in preference to select(2), if available. This solves 2003-03-06 03:16:55 +00:00
COPYRIGHT
GNUmakefile.in First step to removing /contrib/retep, with Peter Mount's approval. 2002-10-21 00:12:46 +00:00
HISTORY Allow PAM to work on MAC OS X, report from Aaron Hillegass. 2003-02-14 14:13:56 +00:00
INSTALL Regenerate 2002-11-21 23:33:22 +00:00
Makefile
README Improve wording. 2002-11-11 20:03:40 +00:00
register.txt Stamp for 7.3 beta3. 2002-10-24 03:03:37 +00:00

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 several language
bindings, including C, Perl, Python, and Tcl, as well as a JDBC
driver.

The ODBC and C++ interfaces have been moved to the PostgreSQL Projects
Web Site at http://gborg.postgresql.org for separate maintenance.

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
ftp://ftp.postgresql.org/pub/.  For more information look at our web
site located at http://www.postgresql.org/.