提交 7df3bb50 编写于 作者: B Bruce Momjian

Add all possible config file options.

上级 3347fbad
......@@ -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 1.27 2001/01/09 06:24:33 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.28 2001/01/24 18:37:31 momjian Exp $
*
* Copyright 2000 by PostgreSQL Global Development Group
* Written by Peter Eisentraut <peter_e@gmx.net>.
......@@ -152,7 +152,12 @@ struct config_string
*
* 4. Add a record below.
*
* 5. Don't forget to document that option.
* 5. Add it to postgresql.conf.sample
*
* 6. Don't forget to document that option.
*
* WHEN MAKING MODIFICATIONS, remember to update postgresql.conf.sample
*
*/
......
......@@ -18,3 +18,153 @@
# Any option can also be given as a command line switch to the
# postmaster, e.g., 'postmaster -c log_connections=on'. Some options
# can be set at run-time with the 'SET' SQL command.
#========================================================================
#
# Connection Parameters
#
#tcpip_socket = false
#ssl = false
#max_connections = 32 # 1-1024
#port = 5432
#hostname_lookup = false
#show_source_port = false
#unix_socket_directory = ""
#unix_socket_group = ""
#unix_socket_permissions = 0777
#virtual_host = ""
#krb_server_keyfile = ""
#
# Performance
#
#sort_mem = 512
#shared_buffers = 2*max_connections # min 16
#fsync = true
#
# Optimizer Parameters
#
#enable_seqscan = true
#enable_indexscan = true
#enable_tidscan = true
#enable_sort = true
#enable_nestloop = true
#enable_mergejoin = true
#enable_hashjoin = true
#ksqo = false
#geqo = true
#effective_cache_size = 1000 # default in 8k pages
#random_page_cost = 4
#cpu_tuple_cost = 0.01
#cpu_index_tuple_cost = 0.001
#cpu_operator_cost = 0.0025
#geqo_selection_bias = 2.0 # range 1.5-2.0
#
# GEQO Optimizer Parameters
#
#geqo_threshold = 11
#geqo_pool_size = 0 #default based in tables, range 128-1024
#geqo_effort = 1
#geqo_generations = 0
#geqo_random_seed = -1 # auto-compute seed
#
# Inheritance
#
#sql_inheritance = true
#
# Deadlock
#
#deadlock_timeout = 1000
#
# Expression Depth Limitation
#
#max_expr_depth = 10000 # min 10
#
# Write-ahead log (WAL)
#
#wal_buffers = 8 # min 4
#wal_files = 0 # range 0-64
#wal_debug = 0 # range 0-16
#commit_delay = 5 # range 0-1000
#checkpoint_timeout = 300 # range 30-1800
#
# Debug display
#
#silent_mode = false
#log_connections = false
#log_timestamp = false
#log_pid = false
#debug_level = 0 # range 0-16
#debug_print_query = false
#debug_print_parse = false
#debug_print_rewritten = false
#debug_print_plan = false
#debug_pretty_print = false
#ifdef USE_ASSERT_CHECKING
#debug_assertions = true
#endif
#
# Syslog
#
#ifdef ENABLE_SYSLOG
#syslog = 0 # range 0-2
#syslog_facility = "LOCAL0"
#syslog_ident = "postgres"
#endif
#
# Statistics
#
#show_parser_stats = false
#show_planner_stats = false
#show_executor_stats = false
#show_query_stats = false
#ifdef BTREE_BUILD_STATS
#show_btree_build_stats = false
#endif
#
# Lock Tracing
#
#trace_notify = false
#ifdef LOCK_DEBUG
#trace_locks = false
#trace_userlocks = false
#trace_spinlocks = false
#debug_deadlocks = false
#trace_lock_oidmin = 16384
#trace_lock_table = 0
#endif
......@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: cost.h,v 1.35 2000/10/05 19:48:33 momjian Exp $
* $Id: cost.h,v 1.36 2001/01/24 18:37:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -18,6 +18,7 @@
/* defaults for costsize.c's Cost parameters */
/* NB: cost-estimation code should use the variables, not these constants! */
/* If you change these, update backend/utils/misc/postgresql.sample.conf */
#define DEFAULT_EFFECTIVE_CACHE_SIZE 1000.0 /* measured in pages */
#define DEFAULT_RANDOM_PAGE_COST 4.0
#define DEFAULT_CPU_TUPLE_COST 0.01
......
......@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: geqo.h,v 1.21 2000/09/19 18:42:32 tgl Exp $
* $Id: geqo.h,v 1.22 2001/01/24 18:37:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -45,6 +45,7 @@
/*
* Configuration options
*/
/* If you change these, update backend/utils/misc/postgresql.sample.conf */
extern int Geqo_pool_size;
#define DEFAULT_GEQO_POOL_SIZE 0 /* = default based on no. of relations. */
#define MIN_GEQO_POOL_SIZE 128
......@@ -54,6 +55,7 @@ extern int Geqo_effort; /* 1 .. inf, only used to calculate generations
extern int Geqo_generations; /* 1 .. inf, or 0 to use default based on pool size */
extern double Geqo_selection_bias;
/* If you change these, update backend/utils/misc/postgresql.sample.conf */
#define DEFAULT_GEQO_SELECTION_BIAS 2.0
#define MIN_GEQO_SELECTION_BIAS 1.5
#define MAX_GEQO_SELECTION_BIAS 2.0
......
......@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: paths.h,v 1.49 2000/12/14 22:30:45 tgl Exp $
* $Id: paths.h,v 1.50 2001/01/24 18:37:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -18,6 +18,7 @@
#include "nodes/relation.h"
/* default GEQO threshold (default value for geqo_rels) */
/* If you change this, update backend/utils/misc/postgresql.sample.conf */
#define DEFAULT_GEQO_RELS 11
......
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