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Get rid of PID entries in shmem hash table; there is no longer any need

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for them, and making them just wastes time during backend startup/shutdown.
Also, remove compile-time MAXBACKENDS limit per long-ago proposal.
You can now set MaxBackends as high as your kernel can stand without
any reconfiguration/recompilation.
This commit is contained in:
Tom Lane
2001-09-07 00:27:30 +00:00
parent 0059c4216c
commit 863aceb54f
12 changed files with 213 additions and 316 deletions
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4
src/backend/utils/misc/guc.c
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@ -4,7 +4,7 @@
* Support for grand unified configuration scheme, including SET
* command, configuration file, and command line options.
*
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.46 2001/08/15 18:42:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.47 2001/09/07 00:27:29 tgl Exp $
*
* Copyright 2000 by PostgreSQL Global Development Group
* Written by Peter Eisentraut <peter_e@gmx.net>.
@ -286,7 +286,7 @@ static struct config_int
* constraints here are partially unused.
*/
{"max_connections", PGC_POSTMASTER, &MaxBackends,
DEF_MAXBACKENDS, 1, MAXBACKENDS, NULL, NULL},
DEF_MAXBACKENDS, 1, INT_MAX, NULL, NULL},
{"shared_buffers", PGC_POSTMASTER, &NBuffers,
DEF_NBUFFERS, 16, INT_MAX, NULL, NULL},