4883c2d50a68c2810cb490f10a349965db8e25fc
[invirt/packages/invirt-database.git] / server / etc / postgresql / 8.3 / main / postgresql.conf.invirt
1 # -----------------------------
2 # PostgreSQL configuration file
3 # -----------------------------
4 #
5 # This file consists of lines of the form:
6 #
7 #   name = value
8 #
9 # (The "=" is optional.)  Whitespace may be used.  Comments are introduced with
10 # "#" anywhere on a line.  The complete list of parameter names and allowed
11 # values can be found in the PostgreSQL documentation.
12 #
13 # The commented-out settings shown in this file represent the default values.
14 # Re-commenting a setting is NOT sufficient to revert it to the default value;
15 # you need to reload the server.
16 #
17 # This file is read on server startup and when the server receives a SIGHUP
18 # signal.  If you edit the file on a running system, you have to SIGHUP the
19 # server for the changes to take effect, or use "pg_ctl reload".  Some
20 # parameters, which are marked below, require a server shutdown and restart to
21 # take effect.
22 #
23 # Any parameter can also be given as a command-line option to the server, e.g.,
24 # "postgres -c log_connections=on".  Some paramters can be changed at run time
25 # with the "SET" SQL command.
26 #
27 # Memory units:  kB = kilobytes MB = megabytes GB = gigabytes
28 # Time units:    ms = milliseconds s = seconds min = minutes h = hours d = days
29
30
31 #------------------------------------------------------------------------------
32 # FILE LOCATIONS
33 #------------------------------------------------------------------------------
34
35 # The default values of these variables are driven from the -D command-line
36 # option or PGDATA environment variable, represented here as ConfigDir.
37
38 data_directory = '/var/lib/postgresql/8.3/main'         # use data in another directory
39                                         # (change requires restart)
40 hba_file = '/etc/postgresql/8.3/main/pg_hba.conf'       # host-based authentication file
41                                         # (change requires restart)
42 ident_file = '/etc/postgresql/8.3/main/pg_ident.conf'   # ident configuration file
43                                         # (change requires restart)
44
45 # If external_pid_file is not explicitly set, no extra PID file is written.
46 external_pid_file = '/var/run/postgresql/8.3-main.pid'          # write an extra PID file
47                                         # (change requires restart)
48
49
50 #------------------------------------------------------------------------------
51 # CONNECTIONS AND AUTHENTICATION
52 #------------------------------------------------------------------------------
53
54 # - Connection Settings -
55
56 listen_addresses = '*'                  # what IP address(es) to listen on;
57                                         # comma-separated list of addresses;
58                                         # defaults to 'localhost', '*' = all
59                                         # (change requires restart)
60 port = 5432                             # (change requires restart)
61 max_connections = 100                   # (change requires restart)
62 # Note:  Increasing max_connections costs ~400 bytes of shared memory per 
63 # connection slot, plus lock space (see max_locks_per_transaction).  You might
64 # also need to raise shared_buffers to support more connections.
65 #superuser_reserved_connections = 3     # (change requires restart)
66 unix_socket_directory = '/var/run/postgresql'           # (change requires restart)
67 #unix_socket_group = ''                 # (change requires restart)
68 #unix_socket_permissions = 0777         # begin with 0 to use octal notation
69                                         # (change requires restart)
70 #bonjour_name = ''                      # defaults to the computer name
71                                         # (change requires restart)
72
73 # - Security and Authentication -
74
75 #authentication_timeout = 1min          # 1s-600s
76 ssl = true                              # (change requires restart)
77 #ssl_ciphers = 'ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH'      # allowed SSL ciphers
78                                         # (change requires restart)
79 #password_encryption = on
80 #db_user_namespace = off
81
82 # Kerberos and GSSAPI
83 #krb_server_keyfile = ''                # (change requires restart)
84 #krb_srvname = 'postgres'               # (change requires restart, Kerberos only)
85 #krb_server_hostname = ''               # empty string matches any keytab entry
86                                         # (change requires restart, Kerberos only)
87 #krb_caseins_users = off                # (change requires restart)
88 #krb_realm = ''                         # (change requires restart)
89
90 # - TCP Keepalives -
91 # see "man 7 tcp" for details
92
93 #tcp_keepalives_idle = 0                # TCP_KEEPIDLE, in seconds;
94                                         # 0 selects the system default
95 #tcp_keepalives_interval = 0            # TCP_KEEPINTVL, in seconds;
96                                         # 0 selects the system default
97 #tcp_keepalives_count = 0               # TCP_KEEPCNT;
98                                         # 0 selects the system default
99
100
101 #------------------------------------------------------------------------------
102 # RESOURCE USAGE (except WAL)
103 #------------------------------------------------------------------------------
104
105 # - Memory -
106
107 shared_buffers = 24MB                   # min 128kB or max_connections*16kB
108                                         # (change requires restart)
109 #temp_buffers = 8MB                     # min 800kB
110 #max_prepared_transactions = 5          # can be 0 or more
111                                         # (change requires restart)
112 # Note:  Increasing max_prepared_transactions costs ~600 bytes of shared memory
113 # per transaction slot, plus lock space (see max_locks_per_transaction).
114 #work_mem = 1MB                         # min 64kB
115 #maintenance_work_mem = 16MB            # min 1MB
116 #max_stack_depth = 2MB                  # min 100kB
117
118 # - Free Space Map -
119
120 max_fsm_pages = 153600                  # min max_fsm_relations*16, 6 bytes each
121                                         # (change requires restart)
122 #max_fsm_relations = 1000               # min 100, ~70 bytes each
123                                         # (change requires restart)
124
125 # - Kernel Resource Usage -
126
127 #max_files_per_process = 1000           # min 25
128                                         # (change requires restart)
129 #shared_preload_libraries = ''          # (change requires restart)
130
131 # - Cost-Based Vacuum Delay -
132
133 #vacuum_cost_delay = 0                  # 0-1000 milliseconds
134 #vacuum_cost_page_hit = 1               # 0-10000 credits
135 #vacuum_cost_page_miss = 10             # 0-10000 credits
136 #vacuum_cost_page_dirty = 20            # 0-10000 credits
137 #vacuum_cost_limit = 200                # 1-10000 credits
138
139 # - Background Writer -
140
141 #bgwriter_delay = 200ms                 # 10-10000ms between rounds
142 #bgwriter_lru_maxpages = 100            # 0-1000 max buffers written/round
143 #bgwriter_lru_multiplier = 2.0          # 0-10.0 multipler on buffers scanned/round
144
145
146 #------------------------------------------------------------------------------
147 # WRITE AHEAD LOG
148 #------------------------------------------------------------------------------
149
150 # - Settings -
151
152 #fsync = on                             # turns forced synchronization on or off
153 #synchronous_commit = on                # immediate fsync at commit
154 #wal_sync_method = fsync                # the default is the first option 
155                                         # supported by the operating system:
156                                         #   open_datasync
157                                         #   fdatasync
158                                         #   fsync
159                                         #   fsync_writethrough
160                                         #   open_sync
161 #full_page_writes = on                  # recover from partial page writes
162 #wal_buffers = 64kB                     # min 32kB
163                                         # (change requires restart)
164 #wal_writer_delay = 200ms               # 1-10000 milliseconds
165
166 #commit_delay = 0                       # range 0-100000, in microseconds
167 #commit_siblings = 5                    # range 1-1000
168
169 # - Checkpoints -
170
171 #checkpoint_segments = 3                # in logfile segments, min 1, 16MB each
172 #checkpoint_timeout = 5min              # range 30s-1h
173 #checkpoint_completion_target = 0.5     # checkpoint target duration, 0.0 - 1.0
174 #checkpoint_warning = 30s               # 0 is off
175
176 # - Archiving -
177
178 #archive_mode = off             # allows archiving to be done
179                                 # (change requires restart)
180 #archive_command = ''           # command to use to archive a logfile segment
181 #archive_timeout = 0            # force a logfile segment switch after this
182                                 # time; 0 is off
183
184
185 #------------------------------------------------------------------------------
186 # QUERY TUNING
187 #------------------------------------------------------------------------------
188
189 # - Planner Method Configuration -
190
191 #enable_bitmapscan = on
192 #enable_hashagg = on
193 #enable_hashjoin = on
194 #enable_indexscan = on
195 #enable_mergejoin = on
196 #enable_nestloop = on
197 #enable_seqscan = on
198 #enable_sort = on
199 #enable_tidscan = on
200
201 # - Planner Cost Constants -
202
203 #seq_page_cost = 1.0                    # measured on an arbitrary scale
204 #random_page_cost = 4.0                 # same scale as above
205 #cpu_tuple_cost = 0.01                  # same scale as above
206 #cpu_index_tuple_cost = 0.005           # same scale as above
207 #cpu_operator_cost = 0.0025             # same scale as above
208 #effective_cache_size = 128MB
209
210 # - Genetic Query Optimizer -
211
212 #geqo = on
213 #geqo_threshold = 12
214 #geqo_effort = 5                        # range 1-10
215 #geqo_pool_size = 0                     # selects default based on effort
216 #geqo_generations = 0                   # selects default based on effort
217 #geqo_selection_bias = 2.0              # range 1.5-2.0
218
219 # - Other Planner Options -
220
221 #default_statistics_target = 10         # range 1-1000
222 #constraint_exclusion = off
223 #from_collapse_limit = 8
224 #join_collapse_limit = 8                # 1 disables collapsing of explicit 
225                                         # JOIN clauses
226
227
228 #------------------------------------------------------------------------------
229 # ERROR REPORTING AND LOGGING
230 #------------------------------------------------------------------------------
231
232 # - Where to Log -
233
234 #log_destination = 'stderr'             # Valid values are combinations of
235                                         # stderr, csvlog, syslog and eventlog,
236                                         # depending on platform.  csvlog
237                                         # requires logging_collector to be on.
238
239 # This is used when logging to stderr:
240 #logging_collector = off                # Enable capturing of stderr and csvlog
241                                         # into log files. Required to be on for
242                                         # csvlogs.
243                                         # (change requires restart)
244
245 # These are only used if logging_collector is on:
246 #log_directory = 'pg_log'               # directory where log files are written,
247                                         # can be absolute or relative to PGDATA
248 #log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'        # log file name pattern,
249                                         # can include strftime() escapes
250 #log_truncate_on_rotation = off         # If on, an existing log file of the
251                                         # same name as the new log file will be
252                                         # truncated rather than appended to.
253                                         # But such truncation only occurs on
254                                         # time-driven rotation, not on restarts
255                                         # or size-driven rotation.  Default is
256                                         # off, meaning append to existing files
257                                         # in all cases.
258 #log_rotation_age = 1d                  # Automatic rotation of logfiles will
259                                         # happen after that time.  0 to disable.
260 #log_rotation_size = 10MB               # Automatic rotation of logfiles will 
261                                         # happen after that much log output.
262                                         # 0 to disable.
263
264 # These are relevant when logging to syslog:
265 #syslog_facility = 'LOCAL0'
266 #syslog_ident = 'postgres'
267
268
269 # - When to Log -
270
271 #client_min_messages = notice           # values in order of decreasing detail:
272                                         #   debug5
273                                         #   debug4
274                                         #   debug3
275                                         #   debug2
276                                         #   debug1
277                                         #   log
278                                         #   notice
279                                         #   warning
280                                         #   error
281
282 #log_min_messages = notice              # values in order of decreasing detail:
283                                         #   debug5
284                                         #   debug4
285                                         #   debug3
286                                         #   debug2
287                                         #   debug1
288                                         #   info
289                                         #   notice
290                                         #   warning
291                                         #   error
292                                         #   log
293                                         #   fatal
294                                         #   panic
295
296 #log_error_verbosity = default          # terse, default, or verbose messages
297
298 #log_min_error_statement = error        # values in order of decreasing detail:
299                                         #   debug5
300                                         #   debug4
301                                         #   debug3
302                                         #   debug2
303                                         #   debug1
304                                         #   info
305                                         #   notice
306                                         #   warning
307                                         #   error
308                                         #   log
309                                         #   fatal
310                                         #   panic (effectively off)
311
312 #log_min_duration_statement = -1        # -1 is disabled, 0 logs all statements
313                                         # and their durations, > 0 logs only
314                                         # statements running at least this time.
315
316 #silent_mode = off                      # DO NOT USE without syslog or
317                                         # logging_collector
318                                         # (change requires restart)
319
320 # - What to Log -
321
322 #debug_print_parse = off
323 #debug_print_rewritten = off
324 #debug_print_plan = off
325 #debug_pretty_print = off
326 #log_checkpoints = off
327 #log_connections = off
328 #log_disconnections = off
329 #log_duration = off
330 #log_hostname = off
331 log_line_prefix = '%t '                 # special values:
332                                         #   %u = user name
333                                         #   %d = database name
334                                         #   %r = remote host and port
335                                         #   %h = remote host
336                                         #   %p = process ID
337                                         #   %t = timestamp without milliseconds
338                                         #   %m = timestamp with milliseconds
339                                         #   %i = command tag
340                                         #   %c = session ID
341                                         #   %l = session line number
342                                         #   %s = session start timestamp
343                                         #   %v = virtual transaction ID
344                                         #   %x = transaction ID (0 if none)
345                                         #   %q = stop here in non-session
346                                         #        processes
347                                         #   %% = '%'
348                                         # e.g. '<%u%%%d> '
349 #log_lock_waits = off                   # log lock waits >= deadlock_timeout
350 #log_statement = 'none'                 # none, ddl, mod, all
351 #log_temp_files = -1                    # log temporary files equal or larger
352                                         # than specified size;
353                                         # -1 disables, 0 logs all temp files
354 #log_timezone = unknown                 # actually, defaults to TZ environment
355                                         # setting
356
357
358 #------------------------------------------------------------------------------
359 # RUNTIME STATISTICS
360 #------------------------------------------------------------------------------
361
362 # - Query/Index Statistics Collector -
363
364 #track_activities = on
365 #track_counts = on
366 #update_process_title = on
367
368
369 # - Statistics Monitoring -
370
371 #log_parser_stats = off
372 #log_planner_stats = off
373 #log_executor_stats = off
374 #log_statement_stats = off
375
376
377 #------------------------------------------------------------------------------
378 # AUTOVACUUM PARAMETERS
379 #------------------------------------------------------------------------------
380
381 #autovacuum = on                        # Enable autovacuum subprocess?  'on' 
382                                         # requires track_counts to also be on.
383 #log_autovacuum_min_duration = -1       # -1 disables, 0 logs all actions and
384                                         # their durations, > 0 logs only
385                                         # actions running at least that time.
386 #autovacuum_max_workers = 3             # max number of autovacuum subprocesses
387 #autovacuum_naptime = 1min              # time between autovacuum runs
388 #autovacuum_vacuum_threshold = 50       # min number of row updates before
389                                         # vacuum
390 #autovacuum_analyze_threshold = 50      # min number of row updates before 
391                                         # analyze
392 #autovacuum_vacuum_scale_factor = 0.2   # fraction of table size before vacuum
393 #autovacuum_analyze_scale_factor = 0.1  # fraction of table size before analyze
394 #autovacuum_freeze_max_age = 200000000  # maximum XID age before forced vacuum
395                                         # (change requires restart)
396 #autovacuum_vacuum_cost_delay = 20      # default vacuum cost delay for
397                                         # autovacuum, -1 means use
398                                         # vacuum_cost_delay
399 #autovacuum_vacuum_cost_limit = -1      # default vacuum cost limit for
400                                         # autovacuum, -1 means use
401                                         # vacuum_cost_limit
402
403
404 #------------------------------------------------------------------------------
405 # CLIENT CONNECTION DEFAULTS
406 #------------------------------------------------------------------------------
407
408 # - Statement Behavior -
409
410 #search_path = '"$user",public'         # schema names
411 #default_tablespace = ''                # a tablespace name, '' uses the default
412 #temp_tablespaces = ''                  # a list of tablespace names, '' uses
413                                         # only default tablespace
414 #check_function_bodies = on
415 #default_transaction_isolation = 'read committed'
416 #default_transaction_read_only = off
417 #session_replication_role = 'origin'
418 #statement_timeout = 0                  # 0 is disabled
419 #vacuum_freeze_min_age = 100000000
420 #xmlbinary = 'base64'
421 #xmloption = 'content'
422
423 # - Locale and Formatting -
424
425 datestyle = 'iso, mdy'
426 #timezone = unknown                     # actually, defaults to TZ environment
427                                         # setting
428 #timezone_abbreviations = 'Default'     # Select the set of available time zone
429                                         # abbreviations.  Currently, there are
430                                         #   Default
431                                         #   Australia
432                                         #   India
433                                         # You can create your own file in
434                                         # share/timezonesets/.
435 #extra_float_digits = 0                 # min -15, max 2
436 #client_encoding = sql_ascii            # actually, defaults to database
437                                         # encoding
438
439 # These settings are initialized by initdb, but they can be changed.
440 lc_messages = 'C'                       # locale for system error message
441                                         # strings
442 lc_monetary = 'C'                       # locale for monetary formatting
443 lc_numeric = 'C'                        # locale for number formatting
444 lc_time = 'C'                           # locale for time formatting
445
446 # default configuration for text search
447 default_text_search_config = 'pg_catalog.english'
448
449 # - Other Defaults -
450
451 #explain_pretty_print = on
452 #dynamic_library_path = '$libdir'
453 #local_preload_libraries = ''
454
455
456 #------------------------------------------------------------------------------
457 # LOCK MANAGEMENT
458 #------------------------------------------------------------------------------
459
460 #deadlock_timeout = 1s
461 #max_locks_per_transaction = 64         # min 10
462                                         # (change requires restart)
463 # Note:  Each lock table slot uses ~270 bytes of shared memory, and there are
464 # max_locks_per_transaction * (max_connections + max_prepared_transactions)
465 # lock table slots.
466
467
468 #------------------------------------------------------------------------------
469 # VERSION/PLATFORM COMPATIBILITY
470 #------------------------------------------------------------------------------
471
472 # - Previous PostgreSQL Versions -
473
474 #add_missing_from = off
475 #array_nulls = on
476 #backslash_quote = safe_encoding        # on, off, or safe_encoding
477 #default_with_oids = off
478 #escape_string_warning = on
479 #regex_flavor = advanced                # advanced, extended, or basic
480 #sql_inheritance = on
481 #standard_conforming_strings = off
482 #synchronize_seqscans = on
483
484 # - Other Platforms and Clients -
485
486 #transform_null_equals = off
487
488
489 #------------------------------------------------------------------------------
490 # CUSTOMIZED OPTIONS
491 #------------------------------------------------------------------------------
492
493 #custom_variable_classes = ''           # list of custom variable class names