Consistently align comments in postgresql.conf, move some slightly to

the right to stand out.

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

@@ -33,8 +33,8 @@
 # switch or PGDATA environment variable, represented here as ConfigDir.
 
 # data_directory = 'ConfigDir'		# use data in another directory
-# hba_file = 'ConfigDir/pg_hba.conf'	# the host-based authentication file
-# ident_file = 'ConfigDir/pg_ident.conf'  # the IDENT configuration file
+# hba_file = 'ConfigDir/pg_hba.conf'	# host-based authentication file
+# ident_file = 'ConfigDir/pg_ident.conf	# IDENT configuration file
 
 # If external_pid_file is not explicitly set, no extra pid file is written.
 # external_pid_file = '(none)'		# write an extra pid file
@@ -49,9 +49,10 @@
 #listen_addresses = 'localhost'		# what IP interface(s) to listen on; 
 					# defaults to localhost, '*' = any
 #port = 5432
-#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_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.
 #superuser_reserved_connections = 2
 #unix_socket_directory = ''
@@ -72,9 +73,12 @@
 
 # - TCP Keepalives -
 # see 'man 7 tcp' for details
-#tcp_keepalives_idle = 0        # TCP_KEEPIDLE, in seconds; 0 uses the system default.
-#tcp_keepalives_interval = 0    # TCP_KEEPINTVL, in seconds; 0 uses the system default.
-#tcp_keepalives_count = 0       # TCP_KEEPCNT, in seconds; 0 uses the system default.
+#tcp_keepalives_idle = 0		# TCP_KEEPIDLE, in secs; 0 uses the
+					# system default
+#tcp_keepalives_interval = 0		# TCP_KEEPINTVL, in seconds; 0 uses the
+					# system default
+#tcp_keepalives_count = 0		# TCP_KEEPCNT, in seconds; 0 uses the
+					# system default
 
 #---------------------------------------------------------------------------
 # RESOURCE USAGE (except WAL)
@@ -82,7 +86,7 @@
 
 # - Memory -
 
-#shared_buffers = 1000		# min 16, minimum max_connections*2, 8KB each
+#shared_buffers = 1000			# min 16 or max_connections*2, 8KB each
 #temp_buffers = 1000			# min 100, 8KB each
 #max_prepared_transactions = 50 # 0-10000
 #work_mem = 1024			# min 64, size in KB
@@ -110,10 +114,10 @@
 # - Background writer -
 
 #bgwriter_delay = 200			# 10-10000 milliseconds between rounds
-#bgwriter_lru_percent = 1.0	# 0-100% of LRU buffers scanned in each round
-#bgwriter_lru_maxpages = 5	# 0-1000 buffers max written per round
-#bgwriter_all_percent = 0.333	# 0-100% of all buffers scanned in each round
-#bgwriter_all_maxpages = 5	# 0-1000 buffers max written per round
+#bgwriter_lru_percent = 1.0		# 0-100% of LRU buffers scanned/round
+#bgwriter_lru_maxpages = 5		# 0-1000 buffers max written/round
+#bgwriter_all_percent = 0.333		# 0-100% of all buffers scanned/round
+#bgwriter_all_maxpages = 5		# 0-1000 buffers max written/round
 
 
 #---------------------------------------------------------------------------
@@ -123,9 +127,12 @@
 # - Settings -
 
 #fsync = on				# turns forced synchronization on or off
-#wal_sync_method = fsync	# the default is the first option supported
-				# by the operating system:  open_datasync, 
-				# fdatasync, fsync, fsync_writethrough, 
+#wal_sync_method = fsync		# the default is the first option 
+					# supported by the operating system:
+					#   open_datasync
+					#   fdatasync
+					#   fsync
+					#   fsync_writethrough
 					#   open_sync
 #full_page_writes = on			# recover from partial page writes
 #wal_buffers = 8			# min 4, 8KB each
@@ -136,11 +143,12 @@
 
 #checkpoint_segments = 3		# in logfile segments, min 1, 16MB each
 #checkpoint_timeout = 300		# range 30-3600, in seconds
-#checkpoint_warning = 30	# 0 is off, in seconds
+#checkpoint_warning = 30		# in seconds, 0 is off
 
 # - Archiving -
 
-#archive_command = ''		# command to use to archive a logfile segment
+#archive_command = ''			# command to use to archive a logfile 
+					# segment
 
 
 #---------------------------------------------------------------------------
@@ -162,7 +170,8 @@
 # - Planner Cost Constants -
 
 #effective_cache_size = 1000		# typically 8KB each
-#random_page_cost = 4		# units are one sequential page fetch cost
+#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)
@@ -181,7 +190,8 @@
 #default_statistics_target = 10		# range 1-1000
 #enable_constraint_exclusion = off
 #from_collapse_limit = 8
-#join_collapse_limit = 8	# 1 disables collapsing of explicit JOINs
+#join_collapse_limit = 8		# 1 disables collapsing of explicit 
+					# JOINs
 
 
 #---------------------------------------------------------------------------
@@ -190,15 +200,16 @@
 
 # - Where to Log -
 
-#log_destination = 'stderr'	# Valid values are combinations of stderr,
-                                # syslog and eventlog, depending on
-                                # platform.
+#log_destination = 'stderr'		# Valid values are combinations of 
+					# stderr, syslog and eventlog, 
+					# depending on platform.
 
 # This is used when logging to stderr:
-#redirect_stderr = off		# Enable capturing of stderr into log files.
+#redirect_stderr = off			# Enable capturing of stderr into log 
+					# files
 
 # These are only used if redirect_stderr is on:
-#log_directory = 'pg_log'	# Directory where log files are written.
+#log_directory = 'pg_log'		# Directory where log files are written
 					# Can be absolute or relative to PGDATA
 #log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # Log file name pattern.
 					# Can include strftime() escapes
@@ -210,11 +221,12 @@
 					# or size-driven rotation. Default is
 					# off, meaning append to existing files
 					# in all cases.
-#log_rotation_age = 1440	# Automatic rotation of logfiles will happen 
-				# after so many minutes.  0 to disable.
-#log_rotation_size = 10240	# Automatic rotation of logfiles will happen
-				# afterso many kilobytes of log output.  
-				# 0 to disable.
+#log_rotation_age = 1440		# Automatic rotation of logfiles will 
+					# happen after so many minutes.  0 to 
+					# disable.
+#log_rotation_size = 10240		# Automatic rotation of logfiles will 
+					# happen after so many kilobytes of log
+					# output.  0 to disable.
 
 # These are relevant when logging to syslog:
 #syslog_facility = 'LOCAL0'
@@ -224,24 +236,49 @@
 # - When to Log -
 
 #client_min_messages = notice		# Values, in order of decreasing detail:
-				#   debug5, debug4, debug3, debug2, debug1,
-				#   log, notice, warning, error
+					#   debug5
+					#   debug4
+					#   debug3
+					#   debug2
+					#   debug1
+					#   log
+					#   notice
+					#   warning
+					#   error
 
 #log_min_messages = notice		# Values, in order of decreasing detail:
-				#   debug5, debug4, debug3, debug2, debug1,
-				#   info, notice, warning, error, log, fatal,
+					#   debug5
+					#   debug4
+					#   debug3
+					#   debug2
+					#   debug1
+					#   info
+					#   notice
+					#   warning
+					#   error
+					#   log
+					#   fatal
 					#   panic
 
 #log_error_verbosity = default		# terse, default, or verbose messages
 
 #log_min_error_statement = panic	# Values in order of increasing severity:
-				 #   debug5, debug4, debug3, debug2, debug1,
-				 #   info, notice, warning, error, panic(off)
+				 	#   debug5
+					#   debug4
+					#   debug3
+					#   debug2
+					#   debug1
+				 	#   info
+					#   notice
+					#   warning
+					#   error
+					#   panic(off)
 				 
 #log_min_duration_statement = -1	# -1 is disabled, 0 logs all statements
 					# and their durations, in milliseconds.
 
-#silent_mode = off		 # DO NOT USE without syslog or redirect_stderr
+#silent_mode = off			# DO NOT USE without syslog or 
+					# redirect_stderr
 
 # - What to Log -
 
@@ -252,7 +289,8 @@
 #log_connections = off
 #log_disconnections = off
 #log_duration = off
-#log_line_prefix = ''		# %u = user name
+#log_line_prefix = ''			# Special values:
+					#   %u = user name
 					#   %d = database name
 					#   %r = remote host and port
 					#   %h = remote host
@@ -264,7 +302,8 @@
 					#   %l = session line number
 					#   %s = session start timestamp
 					#   %x = transaction id
-				# %q = stop here in non-session processes
+					#   %q = stop here in non-session 
+					#        processes
 					#   %% = '%'
 					# e.g. '<%u%%%d> '
 #log_statement = 'none'			# none, mod, ddl, all
@@ -296,15 +335,21 @@
 #---------------------------------------------------------------------------
 
 #autovacuum = false			# enable autovacuum subprocess?
-#autovacuum_naptime = 60	# time between autovacuum runs, in seconds
-#autovacuum_vacuum_threshold = 1000	# min # of tuple updates before vacuum
-#autovacuum_analyze_threshold = 500	# min # of tuple updates before analyze
-#autovacuum_vacuum_scale_factor = 0.4	# fraction of rel size before vacuum
-#autovacuum_analyze_scale_factor = 0.2	# fraction of rel size before analyze
-#autovacuum_vacuum_cost_delay = -1  # default vacuum cost delay for autovac
-                                    # -1 means use vacuum_cost_delay
-#autovacuum_vacuum_cost_limit = -1  # default vacuum cost limit for autovac
-                                    # -1 means use vacuum_cost_limit
+#autovacuum_naptime = 60		# time between autovacuum runs, in secs
+#autovacuum_vacuum_threshold = 1000	# min # of tuple updates before
+					# vacuum
+#autovacuum_analyze_threshold = 500	# min # of tuple updates before 
+					# analyze
+#autovacuum_vacuum_scale_factor = 0.4	# fraction of rel size before 
+					# vacuum
+#autovacuum_analyze_scale_factor = 0.2	# fraction of rel size before 
+					# analyze
+#autovacuum_vacuum_cost_delay = -1	# default vacuum cost delay for 
+					# autovac, -1 means use 
+					# vacuum_cost_delay
+#autovacuum_vacuum_cost_limit = -1	# default vacuum cost limit for 
+					# autovac, -1 means use
+					# vacuum_cost_limit
 
 
 #---------------------------------------------------------------------------
@@ -314,7 +359,8 @@
 # - Statement Behavior -
 
 #search_path = '$user,public'		# schema names
-#default_tablespace = ''	# a tablespace name, or '' for default
+#default_tablespace = ''		# a tablespace name, '' uses
+					# the default
 #check_function_bodies = on
 #default_transaction_isolation = 'read committed'
 #default_transaction_read_only = off
@@ -323,13 +369,16 @@
 # - Locale and Formatting -
 
 #datestyle = 'iso, mdy'
-#timezone = unknown		# actually, defaults to TZ environment setting
+#timezone = unknown			# actually, defaults to TZ 
+					# environment setting
 #australian_timezones = off
 #extra_float_digits = 0			# min -15, max 2
-#client_encoding = sql_ascii	# actually, defaults to database encoding
+#client_encoding = sql_ascii		# actually, defaults to database
+					# encoding
 
 # These settings are initialized by initdb -- they might be changed
-#lc_messages = 'C'		# locale for system error message strings
+#lc_messages = 'C'			# locale for system error message 
+					# strings
 #lc_monetary = 'C'			# locale for monetary formatting
 #lc_numeric = 'C'			# locale for number formatting
 #lc_time = 'C'				# locale for time formatting
@@ -345,7 +394,8 @@
 #---------------------------------------------------------------------------
 
 #deadlock_timeout = 1000		# in milliseconds
-#max_locks_per_transaction = 64	# min 10, ~200*max_connections bytes each
+#max_locks_per_transaction = 64		# min 10, ~200*max_connections 
+					# bytes each
 
 
 #---------------------------------------------------------------------------