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Give VACUUM its own GUC parameter for memory usage, rather than

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piggybacking on SortMem.  Add documentation for some recently-added
GUC parameters that had so far escaped it.
This commit is contained in:
Tom Lane
2001-09-21 03:32:36 +00:00
parent ae3129fd03
commit c969fed7ec
7 changed files with 97 additions and 21 deletions
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3
src/backend/utils/init/globals.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.59 2001/08/25 18:52:42 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.60 2001/09/21 03:32:35 tgl Exp $
*
* NOTES
* Globals used all over the place should be declared here and not
@@ -82,6 +82,7 @@ char FloatFormat[20] = "%f";
bool enableFsync = true;
bool allowSystemTableMods = false;
int SortMem = 512;
int VacuumMem = 8192;
int NBuffers = DEF_NBUFFERS;

12
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 1.49 2001/09/20 14:20:27 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.50 2001/09/21 03:32:35 tgl Exp $
*
* Copyright 2000 by PostgreSQL Global Development Group
* Written by Peter Eisentraut <peter_e@gmx.net>.
@@ -176,12 +176,11 @@ struct config_string
*
* 4. Add a record below.
*
* 5. Add it to postgresql.conf.sample
* 5. Add it to src/backend/utils/misc/postgresql.conf.sample.
*
* 6. Don't forget to document that option.
*
* WHEN MAKING MODIFICATIONS, remember to update postgresql.conf.sample
* 6. Add it to src/bin/psql/tab-complete.c, if it's a USERSET option.
*
* 7. Don't forget to document the option.
*/
@@ -298,6 +297,9 @@ static struct config_int
{"sort_mem", PGC_USERSET, &SortMem,
512, 4*BLCKSZ/1024, INT_MAX, NULL, NULL},
{"vacuum_mem", PGC_USERSET, &VacuumMem,
8192, 1024, INT_MAX, NULL, NULL},
{"debug_level", PGC_USERSET, &DebugLvl,
0, 0, 16, NULL, NULL},

6
src/backend/utils/misc/postgresql.conf.sample
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@@ -53,7 +53,8 @@
#
# Performance
#
#sort_mem = 512
#sort_mem = 512 # min 32
#vacuum_mem = 8192 # min 1024
#fsync = true
@@ -173,10 +174,11 @@
#
# Misc
#
#dynamic_library_path = '$libdir'
#australian_timezones = false
#deadlock_timeout = 1000
#default_transaction_isolation = 'read committed'
#max_expr_depth = 10000 # min 10
#password_encryption = false
#sql_inheritance = true
#transform_null_equals = false