postgresql.conf.sample 4.7 KB
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#
# PostgreSQL configuration file
# -----------------------------
#
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# This file consists of lines of the form:
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#
#   name = value
#
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# (The '=' is optional.) White space may be used. Comments are introduced
# with '#' anywhere on a line. The complete list of option names and
# allowed values can be found in the PostgreSQL documentation. The
# commented-out settings shown in this file represent the default values.
#
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# Any option can also be given as a command line switch to the
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# postmaster, e.g. 'postmaster -c log_connections=on'. Some options
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# can be changed at run-time with the 'SET' SQL command.
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#
# This file is read on postmaster startup and when the postmaster
# receives a SIGHUP. If you edit the file on a running system, you have 
# to SIGHUP the postmaster for the changes to take effect, or use 
# "pg_ctl reload".
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#========================================================================


#
#	Connection Parameters
#
#tcpip_socket = false
#ssl = false

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#max_connections = 32
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#port = 5432 
#hostname_lookup = false
#show_source_port = false

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#unix_socket_directory = ''
#unix_socket_group = ''
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#unix_socket_permissions = 0777	# octal
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#virtual_host = ''
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#krb_server_keyfile = ''
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#
#	Shared Memory Size
#
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#shared_buffers = 64		# 2*max_connections, min 16, typically 8KB each
#max_fsm_relations = 100	# min 10, fsm is free space map, ~40 bytes
#max_fsm_pages = 10000		# min 1000, fsm is free space map, ~6 bytes
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#max_locks_per_transaction = 64	# min 10
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#wal_buffers = 8		# min 4, typically 8KB each
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#
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#	Non-shared Memory Sizes
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#
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#sort_mem = 1024		# min 64, size in KB
#vacuum_mem = 8192		# min 1024, size in KB
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#
#	Write-ahead log (WAL)
#
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#checkpoint_segments = 3	# in logfile segments, min 1, 16MB each
#checkpoint_timeout = 300	# range 30-3600, in seconds
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#
#wal_files = 0	# range 0-64
#
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#commit_delay = 0		# range 0-100000, in microseconds
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#commit_siblings = 5		# range 1-1000
#
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#fsync = true
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#wal_sync_method = fsync	# the default varies across platforms:
#				# fsync, fdatasync, open_sync, or open_datasync
#wal_debug = 0			# range 0-16
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#
#	Optimizer Parameters
#
#enable_seqscan = true
#enable_indexscan = true
#enable_tidscan = true
#enable_sort = true
#enable_nestloop = true
#enable_mergejoin = true
#enable_hashjoin = true

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#effective_cache_size = 1000	# typically 8KB each
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#random_page_cost = 4		# units are one sequential page fetch cost
#cpu_tuple_cost = 0.01		# (same)
#cpu_index_tuple_cost = 0.001	# (same)
#cpu_operator_cost = 0.0025	# (same)
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#default_statistics_target = 10	# range 1-1000
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#
#	GEQO Optimizer Parameters
#
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#geqo = true
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#geqo_selection_bias = 2.0	# range 1.5-2.0
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#geqo_threshold = 11
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#geqo_pool_size = 0		# default based on tables in query, 
				# range 128-1024
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#geqo_effort = 1
#geqo_generations = 0
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#geqo_random_seed = -1		# auto-compute seed
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#
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#	Message display
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#
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#server_min_messages = notice	# Values, in order of decreasing detail:
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				#   debug5, debug4, debug3, debug2, debug1,
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				#   info, notice, warning, error, log, fatal,
				#   panic
#client_min_messages = notice	# Values, in order of decreasing detail:
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				#   debug5, debug4, debug3, debug2, debug1,
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				#   log, info, notice, warning, error
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#silent_mode = false

#log_connections = false
#log_timestamp = false
#log_pid = false

#debug_print_query = false
#debug_print_parse = false
#debug_print_rewritten = false
#debug_print_plan = false
#debug_pretty_print = false

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#explain_pretty_print = true

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# requires USE_ASSERT_CHECKING
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#debug_assertions = true


#
#	Syslog
#
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#syslog = 0			# range 0-2
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#syslog_facility = 'LOCAL0'
#syslog_ident = 'postgres'
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#
#	Statistics
#
#show_parser_stats = false
#show_planner_stats = false
#show_executor_stats = false
#show_query_stats = false
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# requires BTREE_BUILD_STATS
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#show_btree_build_stats = false


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#
#	Access statistics collection
#
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#stats_start_collector = true
#stats_reset_on_server_start = true
#stats_command_string = false
#stats_row_level = false
#stats_block_level = false
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#
#	Lock Tracing
#
#trace_notify = false
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# requires LOCK_DEBUG
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#trace_locks = false
#trace_userlocks = false
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#trace_lwlocks = false
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#debug_deadlocks = false
#trace_lock_oidmin = 16384
#trace_lock_table = 0
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#
#	Misc
#
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#dynamic_library_path = '$libdir'
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#search_path = '$user,public'
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#datestyle = 'iso, us'
#timezone = unknown		# actually, defaults to TZ environment setting
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#australian_timezones = false
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#client_encoding = sql_ascii	# actually, defaults to database encoding
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#authentication_timeout = 60	# 1-600, in seconds
#deadlock_timeout = 1000	# in milliseconds
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#default_transaction_isolation = 'read committed'
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#max_expr_depth = 10000		# min 10
#max_files_per_process = 1000	# min 25
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#password_encryption = true
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#sql_inheritance = true
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#transform_null_equals = false
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#statement_timeout = 0		# 0 is disabled, in milliseconds
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#db_user_namespace = false
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