Mop-up for previous change to determine default shared_buffers and

max_connections at initdb time.  Get rid of DEF_NBUFFERS and DEF_MAXBACKENDS
macros, which aren't doing anything useful anymore, and put more likely
defaults into postgresql.conf.sample.

Author: tglsfdc

src/backend/port/ipc_test.c

@@ -21,7 +21,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/ipc_test.c,v 1.9 2003/08/04 02:40:02 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/ipc_test.c,v 1.10 2003/08/26 15:38:24 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -50,8 +50,8 @@ const bool	ExecBackend = false;
 
 bool		IsUnderPostmaster = false;
 
-int			MaxBackends = DEF_MAXBACKENDS;
-int			NBuffers = DEF_NBUFFERS;
+int			MaxBackends = 32;
+int			NBuffers = 64;
 
 #ifndef assert_enabled
 bool		assert_enabled = true;

src/backend/tcop/postgres.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.360 2003/08/13 16:16:23 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.361 2003/08/26 15:38:24 tgl Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -1978,7 +1978,7 @@ usage(char *progname)
 #ifdef USE_ASSERT_CHECKING
 	printf("  -A 1|0          enable/disable run-time assert checking\n");
 #endif
-	printf("  -B NBUFFERS     number of shared buffers (default %d)\n", DEF_NBUFFERS);
+	printf("  -B NBUFFERS     number of shared buffers\n");
 	printf("  -c NAME=VALUE   set run-time parameter\n");
 	printf("  -d 0-5          debugging level (0 is off)\n");
 	printf("  -D DATADIR      database directory\n");
@@ -2651,7 +2651,7 @@ PostgresMain(int argc, char *argv[], const char *username)
 	if (!IsUnderPostmaster)
 	{
 		puts("\nPOSTGRES backend interactive interface ");
-		puts("$Revision: 1.360 $ $Date: 2003/08/13 16:16:23 $\n");
+		puts("$Revision: 1.361 $ $Date: 2003/08/26 15:38:24 $\n");
 	}
 
 	/*

src/backend/utils/init/globals.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.74 2003/08/04 02:40:06 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.75 2003/08/26 15:38:25 tgl Exp $
  *
  * NOTES
  *	  Globals used all over the place should be declared here and not
@@ -70,4 +70,4 @@ bool		enableFsync = true;
 bool		allowSystemTableMods = false;
 int			SortMem = 1024;
 int			VacuumMem = 8192;
-int			NBuffers = DEF_NBUFFERS;
+int			NBuffers = 1000;

src/backend/utils/misc/guc.c

@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.150 2003/08/17 22:19:15 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.151 2003/08/26 15:38:25 tgl Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -944,7 +944,7 @@ static struct config_int ConfigureNamesInt[] =
 			NULL
 		},
 		&MaxBackends,
-		DEF_MAXBACKENDS, 1, INT_MAX, NULL, NULL
+		100, 1, INT_MAX, NULL, NULL
 	},
 
 	{
@@ -962,7 +962,7 @@ static struct config_int ConfigureNamesInt[] =
 			NULL
 		},
 		&NBuffers,
-		DEF_NBUFFERS, 16, INT_MAX, NULL, NULL
+		1000, 16, INT_MAX, NULL, NULL
 	},
 
 	{

src/backend/utils/misc/postgresql.conf.sample

@@ -28,7 +28,7 @@
 # - Connection Settings -
 
 #tcpip_socket = false
-#max_connections = 32
+#max_connections = 100
 	# note: increasing max_connections costs about 500 bytes of shared
 	# memory per connection slot, in addition to costs from shared_buffers
         # and max_locks_per_transaction.
@@ -55,7 +55,7 @@
 
 # - Memory -
 
-#shared_buffers = 64		# min 16, at least max_connections*2, 8KB each
+#shared_buffers = 1000		# min 16, at least max_connections*2, 8KB each
 #sort_mem = 1024		# min 64, size in KB
 #vacuum_mem = 8192		# min 1024, size in KB
 

src/bin/initdb/initdb.sh

@@ -27,7 +27,7 @@
 # Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
-# $Header: /cvsroot/pgsql/src/bin/initdb/Attic/initdb.sh,v 1.199 2003/07/27 04:35:53 momjian Exp $
+# $Header: /cvsroot/pgsql/src/bin/initdb/Attic/initdb.sh,v 1.200 2003/08/26 15:38:25 tgl Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -586,8 +586,8 @@ $ECHO_N "creating configuration files... "$ECHO_C
 
 cp "$PG_HBA_SAMPLE" "$PGDATA"/pg_hba.conf              || exit_nicely
 cp "$PG_IDENT_SAMPLE" "$PGDATA"/pg_ident.conf          || exit_nicely
-sed -e "s/^#shared_buffers = 64/shared_buffers = $nbuffers/" \
-    -e "s/^#max_connections = 32/max_connections = $nconns/" \
+sed -e "s/^#shared_buffers = 1000/shared_buffers = $nbuffers/" \
+    -e "s/^#max_connections = 100/max_connections = $nconns/" \
     -e "s/^#lc_messages = 'C'/lc_messages = '`pg_getlocale MESSAGES`'/" \
     -e "s/^#lc_monetary = 'C'/lc_monetary = '`pg_getlocale MONETARY`'/" \
     -e "s/^#lc_numeric = 'C'/lc_numeric = '`pg_getlocale NUMERIC`'/" \

src/include/miscadmin.h

@@ -12,7 +12,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: miscadmin.h,v 1.132 2003/08/04 04:03:10 tgl Exp $
+ * $Id: miscadmin.h,v 1.133 2003/08/26 15:38:25 tgl Exp $
  *
  * NOTES
  *	  some of the information in this file should be moved to
@@ -191,17 +191,12 @@ extern int	VacuumMem;
  *	A few postmaster startup options are exported here so the
  *	configuration file processor can access them.
  */
-
 extern bool NetServer;
 extern bool EnableSSL;
 extern bool SilentMode;
 extern int	MaxBackends;
-
-#define DEF_MAXBACKENDS 32
 extern int	ReservedBackends;
 extern DLLIMPORT int NBuffers;
-
-#define DEF_NBUFFERS (DEF_MAXBACKENDS > 8 ? DEF_MAXBACKENDS * 2 : 16)
 extern int	PostPortNumber;
 extern int	Unix_socket_permissions;
 extern char *Unix_socket_group;