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1 | # {{ ansible_managed }} |
2 | # ----------------------------- | |
3 | # PostgreSQL configuration file | |
4 | # ----------------------------- | |
5 | # | |
6 | # This file consists of lines of the form: | |
7 | # | |
8 | # name = value | |
9 | # | |
10 | # (The "=" is optional.) Whitespace may be used. Comments are introduced with | |
11 | # "#" anywhere on a line. The complete list of parameter names and allowed | |
12 | # values can be found in the PostgreSQL documentation. | |
13 | # | |
14 | # The commented-out settings shown in this file represent the default values. | |
15 | # Re-commenting a setting is NOT sufficient to revert it to the default value; | |
16 | # you need to reload the server. | |
17 | # | |
18 | # This file is read on server startup and when the server receives a SIGHUP | |
19 | # signal. If you edit the file on a running system, you have to SIGHUP the | |
20 | # server for the changes to take effect, run "pg_ctl reload", or execute | |
21 | # "SELECT pg_reload_conf()". Some parameters, which are marked below, | |
22 | # require a server shutdown and restart to take effect. | |
23 | # | |
24 | # Any parameter can also be given as a command-line option to the server, e.g., | |
25 | # "postgres -c log_connections=on". Some parameters can be changed at run time | |
26 | # with the "SET" SQL command. | |
27 | # | |
28 | # Memory units: kB = kilobytes Time units: ms = milliseconds | |
29 | # MB = megabytes s = seconds | |
30 | # GB = gigabytes min = minutes | |
31 | # TB = terabytes h = hours | |
32 | # d = days | |
33 | ||
34 | ||
35 | #------------------------------------------------------------------------------ | |
36 | # FILE LOCATIONS | |
37 | #------------------------------------------------------------------------------ | |
38 | ||
39 | # The default values of these variables are driven from the -D command-line | |
40 | # option or PGDATA environment variable, represented here as ConfigDir. | |
41 | ||
42 | data_directory = '/var/lib/postgresql/{{ postgres_version }}/{{ postgres_cluster_name }}' # use data in another directory | |
43 | # (change requires restart) | |
44 | hba_file = '/etc/postgresql/{{ postgres_version }}/{{ postgres_cluster_name }}/pg_hba.conf' # host-based authentication file | |
45 | # (change requires restart) | |
46 | ident_file = '/etc/postgresql/{{ postgres_version }}/{{ postgres_cluster_name }}/pg_ident.conf' # ident configuration file | |
47 | # (change requires restart) | |
48 | ||
49 | # If external_pid_file is not explicitly set, no extra PID file is written. | |
50 | external_pid_file = '/var/run/postgresql/{{ postgres_version }}-{{ postgres_cluster_name }}.pid' # write an extra PID file | |
51 | # (change requires restart) | |
52 | ||
53 | ||
54 | #------------------------------------------------------------------------------ | |
55 | # CONNECTIONS AND AUTHENTICATION | |
56 | #------------------------------------------------------------------------------ | |
57 | ||
58 | # - Connection Settings - | |
59 | ||
60 | listen_addresses = '{{ postgres_listen_addresses | reject("none") | join(",") }}' # what IP address(es) to listen on; | |
61 | # comma-separated list of addresses; | |
62 | # defaults to 'localhost'; use '*' for all | |
63 | # (change requires restart) | |
64 | port = {{ postgres_port }} # (change requires restart) | |
65 | max_connections = 400 # (change requires restart) | |
66 | # Note: Increasing max_connections costs ~400 bytes of shared memory per | |
67 | # connection slot, plus lock space (see max_locks_per_transaction). | |
68 | #superuser_reserved_connections = 3 # (change requires restart) | |
69 | unix_socket_directories = '/var/run/postgresql' # comma-separated list of directories | |
70 | # (change requires restart) | |
71 | #unix_socket_group = '' # (change requires restart) | |
72 | #unix_socket_permissions = 0777 # begin with 0 to use octal notation | |
73 | # (change requires restart) | |
74 | #bonjour = off # advertise server via Bonjour | |
75 | # (change requires restart) | |
76 | #bonjour_name = '' # defaults to the computer name | |
77 | # (change requires restart) | |
78 | ||
79 | # - Security and Authentication - | |
80 | ||
81 | #authentication_timeout = 1min # 1s-600s | |
82 | ssl = on | |
83 | #ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed SSL ciphers | |
84 | #ssl_prefer_server_ciphers = on | |
85 | #ssl_ecdh_curve = 'prime256v1' | |
86 | #ssl_dh_params_file = '' | |
87 | # ssl_cert_file = '/etc/ssl/certs/ssl-cert-snakeoil.pem' | |
88 | # ssl_key_file = '/etc/ssl/private/ssl-cert-snakeoil.key' | |
89 | #ssl_ca_file = '' | |
90 | #ssl_crl_file = '' | |
91 | #password_encryption = md5 # md5 or scram-sha-256 | |
92 | #db_user_namespace = off | |
93 | #row_security = on | |
94 | ||
95 | # GSSAPI using Kerberos | |
96 | #krb_server_keyfile = '' | |
97 | #krb_caseins_users = off | |
98 | ||
99 | # - TCP Keepalives - | |
100 | # see "man 7 tcp" for details | |
101 | ||
102 | #tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds; | |
103 | # 0 selects the system default | |
104 | #tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds; | |
105 | # 0 selects the system default | |
106 | #tcp_keepalives_count = 0 # TCP_KEEPCNT; | |
107 | # 0 selects the system default | |
108 | ||
109 | ||
110 | #------------------------------------------------------------------------------ | |
111 | # RESOURCE USAGE (except WAL) | |
112 | #------------------------------------------------------------------------------ | |
113 | ||
114 | # - Memory - | |
115 | ||
116 | {% if ansible_memtotal_mb > 65536 %} | |
117 | shared_buffers = 16GB # min 128kB | |
118 | {% else %} | |
119 | shared_buffers = {{ ansible_memtotal_mb // 4 }}MB # min 128kB | |
120 | {% endif %} | |
121 | # (change requires restart) | |
122 | #huge_pages = try # on, off, or try | |
123 | # (change requires restart) | |
124 | temp_buffers = 24MB # min 800kB | |
125 | #max_prepared_transactions = 0 # zero disables the feature | |
126 | # (change requires restart) | |
127 | # Caution: it is not advisable to set max_prepared_transactions nonzero unless | |
128 | # you actively intend to use prepared transactions. | |
129 | work_mem = 512MB # min 64kB | |
130 | maintenance_work_mem = 1024MB # min 1MB | |
131 | #replacement_sort_tuples = 150000 # limits use of replacement selection sort | |
132 | #autovacuum_work_mem = -1 # min 1MB, or -1 to use maintenance_work_mem | |
133 | #max_stack_depth = 2MB # min 100kB | |
134 | dynamic_shared_memory_type = posix # the default is the first option | |
135 | # supported by the operating system: | |
136 | # posix | |
137 | # sysv | |
138 | # windows | |
139 | # mmap | |
140 | # use none to disable dynamic shared memory | |
141 | # (change requires restart) | |
142 | ||
143 | # - Disk - | |
144 | ||
145 | #temp_file_limit = -1 # limits per-process temp file space | |
146 | # in kB, or -1 for no limit | |
147 | ||
148 | # - Kernel Resource Usage - | |
149 | ||
150 | #max_files_per_process = 1000 # min 25 | |
151 | # (change requires restart) | |
152 | #shared_preload_libraries = '' # (change requires restart) | |
153 | ||
154 | # - Cost-Based Vacuum Delay - | |
155 | ||
156 | #vacuum_cost_delay = 0 # 0-100 milliseconds | |
157 | #vacuum_cost_page_hit = 1 # 0-10000 credits | |
158 | #vacuum_cost_page_miss = 10 # 0-10000 credits | |
159 | #vacuum_cost_page_dirty = 20 # 0-10000 credits | |
160 | #vacuum_cost_limit = 200 # 1-10000 credits | |
161 | ||
162 | # - Background Writer - | |
163 | ||
164 | bgwriter_delay = 2000ms # 10-10000ms between rounds | |
165 | #bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/round | |
166 | #bgwriter_lru_multiplier = 2.0 # 0-10.0 multiplier on buffers scanned/round | |
167 | #bgwriter_flush_after = 512kB # measured in pages, 0 disables | |
168 | ||
169 | # - Asynchronous Behavior - | |
170 | ||
171 | #effective_io_concurrency = 1 # 1-1000; 0 disables prefetching | |
172 | #max_worker_processes = 8 # (change requires restart) | |
173 | #max_parallel_workers_per_gather = 2 # taken from max_parallel_workers | |
174 | #max_parallel_workers = 8 # maximum number of max_worker_processes that | |
175 | # can be used in parallel queries | |
176 | #old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate | |
177 | # (change requires restart) | |
178 | #backend_flush_after = 0 # measured in pages, 0 disables | |
179 | ||
180 | ||
181 | #------------------------------------------------------------------------------ | |
182 | # WRITE AHEAD LOG | |
183 | #------------------------------------------------------------------------------ | |
184 | ||
185 | # - Settings - | |
186 | ||
187 | wal_level = logical # minimal, replica, or logical | |
188 | # (change requires restart) | |
189 | {% if postgres_fsync_enabled %} | |
190 | #fsync = on # flush data to disk for crash safety | |
191 | # (turning this off can cause | |
192 | # unrecoverable data corruption) | |
193 | #synchronous_commit = on # synchronization level; | |
194 | # off, local, remote_write, remote_apply, or on | |
195 | {% else %} | |
196 | fsync = off # turns forced synchronization on or off | |
197 | synchronous_commit = off # synchronization level; | |
198 | {% endif %} | |
199 | #wal_sync_method = fsync # the default is the first option | |
200 | # supported by the operating system: | |
201 | # open_datasync | |
202 | # fdatasync (default on Linux) | |
203 | # fsync | |
204 | # fsync_writethrough | |
205 | # open_sync | |
206 | #full_page_writes = on # recover from partial page writes | |
207 | #wal_compression = off # enable compression of full-page writes | |
208 | wal_log_hints = on # also do full page writes of non-critical updates | |
209 | # (change requires restart) | |
210 | #wal_buffers = -1 # min 32kB, -1 sets based on shared_buffers | |
211 | # (change requires restart) | |
212 | #wal_writer_delay = 200ms # 1-10000 milliseconds | |
213 | #wal_writer_flush_after = 1MB # measured in pages, 0 disables | |
214 | ||
215 | #commit_delay = 0 # range 0-100000, in microseconds | |
216 | #commit_siblings = 5 # range 1-1000 | |
217 | ||
218 | # - Checkpoints - | |
219 | ||
220 | #checkpoint_timeout = 5min # range 30s-1d | |
221 | #max_wal_size = 1GB | |
222 | #min_wal_size = 80MB | |
223 | #checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0 | |
224 | #checkpoint_flush_after = 256kB # measured in pages, 0 disables | |
225 | #checkpoint_warning = 30s # 0 disables | |
226 | ||
227 | # - Archiving - | |
228 | ||
229 | {% if postgres_archive_enabled %} | |
230 | archive_mode = on | |
231 | archive_command = 'rsync -a %p barman@{{ postgres_barman_server }}:/var/lib/barman/{{ barman_directory }}/incoming/%f' | |
232 | {% else %} | |
233 | archive_mode = off | |
234 | archive_command = '' | |
235 | {% endif %} | |
236 | ||
237 | #archive_mode = off # enables archiving; off, on, or always | |
238 | # (change requires restart) | |
239 | #archive_command = '' # command to use to archive a logfile segment | |
240 | # placeholders: %p = path of file to archive | |
241 | # %f = file name only | |
242 | # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' | |
243 | #archive_timeout = 0 # force a logfile segment switch after this | |
244 | # number of seconds; 0 disables | |
245 | ||
246 | ||
247 | #------------------------------------------------------------------------------ | |
248 | # REPLICATION | |
249 | #------------------------------------------------------------------------------ | |
250 | ||
251 | # - Sending Server(s) - | |
252 | ||
253 | # Set these on the master and on any standby that will send replication data. | |
254 | ||
255 | max_wal_senders = 10 # max number of walsender processes | |
256 | # (change requires restart) | |
257 | wal_keep_segments = 16 # in logfile segments, 16MB each; 0 disables | |
258 | #wal_sender_timeout = 60s # in milliseconds; 0 disables | |
259 | ||
260 | {% if postgres_max_replication_slots is defined %} | |
261 | max_replication_slots = {{ postgres_max_replication_slots }} # max number of replication slots | |
262 | {% else %} | |
263 | #max_replication_slots = 0 # max number of replication slots | |
264 | {% endif %} | |
265 | # (change requires restart) | |
266 | #track_commit_timestamp = off # collect timestamp of transaction commit | |
267 | # (change requires restart) | |
268 | ||
269 | # - Master Server - | |
270 | ||
271 | # These settings are ignored on a standby server. | |
272 | ||
273 | #synchronous_standby_names = '' # standby servers that provide sync rep | |
274 | # method to choose sync standbys, number of sync standbys, | |
275 | # and comma-separated list of application_name | |
276 | # from standby(s); '*' = all | |
277 | #vacuum_defer_cleanup_age = 0 # number of xacts by which cleanup is delayed | |
278 | ||
279 | # - Standby Servers - | |
280 | ||
281 | # These settings are ignored on a master server. | |
282 | ||
283 | hot_standby = on # "off" disallows queries during recovery | |
284 | # (change requires restart) | |
285 | #max_standby_archive_delay = 30s # max delay before canceling queries | |
286 | # when reading WAL from archive; | |
287 | # -1 allows indefinite delay | |
288 | max_standby_streaming_delay = {{ postgres_extra_config.max_standby_streaming_delay | default('600s') }} # max delay before canceling queries | |
289 | # when reading streaming WAL; | |
290 | # -1 allows indefinite delay | |
291 | #wal_receiver_status_interval = 10s # send replies at least this often | |
292 | # 0 disables | |
293 | #hot_standby_feedback = off # send info from standby to prevent | |
294 | # query conflicts | |
295 | #wal_receiver_timeout = 60s # time that receiver waits for | |
296 | # communication from master | |
297 | # in milliseconds; 0 disables | |
298 | #wal_retrieve_retry_interval = 5s # time to wait before retrying to | |
299 | # retrieve WAL after a failed attempt | |
300 | ||
301 | # - Subscribers - | |
302 | ||
303 | # These settings are ignored on a publisher. | |
304 | ||
305 | #max_logical_replication_workers = 4 # taken from max_worker_processes | |
306 | # (change requires restart) | |
307 | #max_sync_workers_per_subscription = 2 # taken from max_logical_replication_workers | |
308 | ||
309 | ||
310 | #------------------------------------------------------------------------------ | |
311 | # QUERY TUNING | |
312 | #------------------------------------------------------------------------------ | |
313 | ||
314 | # - Planner Method Configuration - | |
315 | ||
316 | #enable_bitmapscan = on | |
317 | #enable_hashagg = on | |
318 | #enable_hashjoin = on | |
319 | #enable_indexscan = on | |
320 | #enable_indexonlyscan = on | |
321 | #enable_material = on | |
322 | #enable_mergejoin = on | |
323 | #enable_nestloop = on | |
324 | #enable_seqscan = on | |
325 | #enable_sort = on | |
326 | #enable_tidscan = on | |
327 | ||
328 | # - Planner Cost Constants - | |
329 | ||
330 | #seq_page_cost = 1.0 # measured on an arbitrary scale | |
331 | {% if postgres_specific_random_page_cost is defined -%} | |
332 | # Random page cost is an arbitrary value relative to the seq_page_cost conf (default 1.0) | |
333 | # On SSD disk it is better to lower the default value from 4.0 to 1.0 for instance. | |
334 | random_page_cost = {{ postgres_specific_random_page_cost }} # same scale as above | |
335 | {% else -%} | |
336 | #random_page_cost = 4.0 # same scale as above | |
337 | {% endif %} | |
338 | #cpu_tuple_cost = 0.01 # same scale as above | |
339 | #cpu_index_tuple_cost = 0.005 # same scale as above | |
340 | #cpu_operator_cost = 0.0025 # same scale as above | |
341 | #parallel_tuple_cost = 0.1 # same scale as above | |
342 | #parallel_setup_cost = 1000.0 # same scale as above | |
343 | #min_parallel_table_scan_size = 8MB | |
344 | #min_parallel_index_scan_size = 512kB | |
345 | #effective_cache_size = 4GB | |
346 | effective_cache_size = {{ ansible_memtotal_mb // 2 }}MB | |
347 | ||
348 | # - Genetic Query Optimizer - | |
349 | ||
350 | #geqo = on | |
351 | #geqo_threshold = 12 | |
352 | #geqo_effort = 5 # range 1-10 | |
353 | #geqo_pool_size = 0 # selects default based on effort | |
354 | #geqo_generations = 0 # selects default based on effort | |
355 | #geqo_selection_bias = 2.0 # range 1.5-2.0 | |
356 | #geqo_seed = 0.0 # range 0.0-1.0 | |
357 | ||
358 | # - Other Planner Options - | |
359 | ||
360 | #default_statistics_target = 100 # range 1-10000 | |
361 | #constraint_exclusion = partition # on, off, or partition | |
362 | #cursor_tuple_fraction = 0.1 # range 0.0-1.0 | |
363 | #from_collapse_limit = 8 | |
364 | #join_collapse_limit = 8 # 1 disables collapsing of explicit | |
365 | # JOIN clauses | |
366 | #force_parallel_mode = off | |
367 | ||
368 | ||
369 | #------------------------------------------------------------------------------ | |
370 | # ERROR REPORTING AND LOGGING | |
371 | #------------------------------------------------------------------------------ | |
372 | ||
373 | # - Where to Log - | |
374 | ||
375 | #log_destination = 'stderr' # Valid values are combinations of | |
376 | # stderr, csvlog, syslog, and eventlog, | |
377 | # depending on platform. csvlog | |
378 | # requires logging_collector to be on. | |
379 | ||
380 | # This is used when logging to stderr: | |
381 | #logging_collector = off # Enable capturing of stderr and csvlog | |
382 | # into log files. Required to be on for | |
383 | # csvlogs. | |
384 | # (change requires restart) | |
385 | ||
386 | # These are only used if logging_collector is on: | |
387 | #log_directory = 'log' # directory where log files are written, | |
388 | # can be absolute or relative to PGDATA | |
389 | #log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern, | |
390 | # can include strftime() escapes | |
391 | #log_file_mode = 0600 # creation mode for log files, | |
392 | # begin with 0 to use octal notation | |
393 | #log_truncate_on_rotation = off # If on, an existing log file with the | |
394 | # same name as the new log file will be | |
395 | # truncated rather than appended to. | |
396 | # But such truncation only occurs on | |
397 | # time-driven rotation, not on restarts | |
398 | # or size-driven rotation. Default is | |
399 | # off, meaning append to existing files | |
400 | # in all cases. | |
401 | #log_rotation_age = 1d # Automatic rotation of logfiles will | |
402 | # happen after that time. 0 disables. | |
403 | #log_rotation_size = 10MB # Automatic rotation of logfiles will | |
404 | # happen after that much log output. | |
405 | # 0 disables. | |
406 | ||
407 | # These are relevant when logging to syslog: | |
408 | #syslog_facility = 'LOCAL0' | |
409 | #syslog_ident = 'postgres' | |
410 | #syslog_sequence_numbers = on | |
411 | #syslog_split_messages = on | |
412 | ||
413 | # This is only relevant when logging to eventlog (win32): | |
414 | # (change requires restart) | |
415 | #event_source = 'PostgreSQL' | |
416 | ||
417 | # - When to Log - | |
418 | ||
419 | #client_min_messages = notice # values in order of decreasing detail: | |
420 | # debug5 | |
421 | # debug4 | |
422 | # debug3 | |
423 | # debug2 | |
424 | # debug1 | |
425 | # log | |
426 | # notice | |
427 | # warning | |
428 | # error | |
429 | ||
430 | #log_min_messages = warning # values in order of decreasing detail: | |
431 | # debug5 | |
432 | # debug4 | |
433 | # debug3 | |
434 | # debug2 | |
435 | # debug1 | |
436 | # info | |
437 | # notice | |
438 | # warning | |
439 | # error | |
440 | # log | |
441 | # fatal | |
442 | # panic | |
443 | ||
444 | #log_min_error_statement = error # values in order of decreasing detail: | |
445 | # debug5 | |
446 | # debug4 | |
447 | # debug3 | |
448 | # debug2 | |
449 | # debug1 | |
450 | # info | |
451 | # notice | |
452 | # warning | |
453 | # error | |
454 | # log | |
455 | # fatal | |
456 | # panic (effectively off) | |
457 | ||
458 | log_min_duration_statement = 10000 # -1 is disabled, 0 logs all statements | |
459 | # and their durations, > 0 logs only | |
460 | # statements running at least this number | |
461 | # of milliseconds | |
462 | ||
463 | ||
464 | # - What to Log - | |
465 | ||
466 | #debug_print_parse = off | |
467 | #debug_print_rewritten = off | |
468 | #debug_print_plan = off | |
469 | #debug_pretty_print = on | |
470 | #log_checkpoints = off | |
471 | #log_connections = off | |
472 | #log_disconnections = off | |
473 | #log_duration = off | |
474 | #log_error_verbosity = default # terse, default, or verbose messages | |
475 | #log_hostname = off | |
476 | ||
477 | log_line_prefix = '{{ postgres_log_line_prefix }}' | |
478 | #log_line_prefix = '%m [%p] %q%u@%d ' # special values: | |
479 | # %a = application name | |
480 | # %u = user name | |
481 | # %d = database name | |
482 | # %r = remote host and port | |
483 | # %h = remote host | |
484 | # %p = process ID | |
485 | # %t = timestamp without milliseconds | |
486 | # %m = timestamp with milliseconds | |
487 | # %n = timestamp with milliseconds (as a Unix epoch) | |
488 | # %i = command tag | |
489 | # %e = SQL state | |
490 | # %c = session ID | |
491 | # %l = session line number | |
492 | # %s = session start timestamp | |
493 | # %v = virtual transaction ID | |
494 | # %x = transaction ID (0 if none) | |
495 | # %q = stop here in non-session | |
496 | # processes | |
497 | # %% = '%' | |
498 | # e.g. '<%u%%%d> ' | |
499 | #log_lock_waits = off # log lock waits >= deadlock_timeout | |
500 | #log_statement = 'none' # none, ddl, mod, all | |
501 | #log_replication_commands = off | |
502 | #log_temp_files = -1 # log temporary files equal or larger | |
503 | # than the specified size in kilobytes; | |
504 | # -1 disables, 0 logs all temp files | |
505 | log_timezone = 'UTC' | |
506 | ||
507 | ||
508 | # - Process Title - | |
509 | ||
510 | cluster_name = '{{ postgres_version }}/{{ postgres_cluster_name }}' # added to process titles if nonempty | |
511 | # (change requires restart) | |
512 | #update_process_title = on | |
513 | ||
514 | ||
515 | #------------------------------------------------------------------------------ | |
516 | # RUNTIME STATISTICS | |
517 | #------------------------------------------------------------------------------ | |
518 | ||
519 | # - Query/Index Statistics Collector - | |
520 | ||
521 | #track_activities = on | |
522 | #track_counts = on | |
523 | #track_io_timing = off | |
524 | #track_functions = none # none, pl, all | |
525 | #track_activity_query_size = 1024 # (change requires restart) | |
526 | stats_temp_directory = '/var/run/postgresql/{{ postgres_version }}-{{ postgres_cluster_name }}.pg_stat_tmp' | |
527 | ||
528 | ||
529 | # - Statistics Monitoring - | |
530 | ||
531 | #log_parser_stats = off | |
532 | #log_planner_stats = off | |
533 | #log_executor_stats = off | |
534 | #log_statement_stats = off | |
535 | ||
536 | ||
537 | #------------------------------------------------------------------------------ | |
538 | # AUTOVACUUM PARAMETERS | |
539 | #------------------------------------------------------------------------------ | |
540 | ||
541 | #autovacuum = on # Enable autovacuum subprocess? 'on' | |
542 | # requires track_counts to also be on. | |
543 | #log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions and | |
544 | # their durations, > 0 logs only | |
545 | # actions running at least this number | |
546 | # of milliseconds. | |
547 | #autovacuum_max_workers = 3 # max number of autovacuum subprocesses | |
548 | # (change requires restart) | |
549 | #autovacuum_naptime = 1min # time between autovacuum runs | |
550 | #autovacuum_vacuum_threshold = 50 # min number of row updates before | |
551 | # vacuum | |
552 | #autovacuum_analyze_threshold = 50 # min number of row updates before | |
553 | # analyze | |
554 | #autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum | |
555 | #autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze | |
556 | #autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum | |
557 | # (change requires restart) | |
558 | #autovacuum_multixact_freeze_max_age = 400000000 # maximum multixact age | |
559 | # before forced vacuum | |
560 | # (change requires restart) | |
561 | #autovacuum_vacuum_cost_delay = 20ms # default vacuum cost delay for | |
562 | # autovacuum, in milliseconds; | |
563 | # -1 means use vacuum_cost_delay | |
564 | #autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for | |
565 | # autovacuum, -1 means use | |
566 | # vacuum_cost_limit | |
567 | ||
568 | ||
569 | #------------------------------------------------------------------------------ | |
570 | # CLIENT CONNECTION DEFAULTS | |
571 | #------------------------------------------------------------------------------ | |
572 | ||
573 | # - Statement Behavior - | |
574 | ||
575 | #search_path = '"$user", public' # schema names | |
576 | #default_tablespace = '' # a tablespace name, '' uses the default | |
577 | #temp_tablespaces = '' # a list of tablespace names, '' uses | |
578 | # only default tablespace | |
579 | #check_function_bodies = on | |
580 | #default_transaction_isolation = 'read committed' | |
581 | #default_transaction_read_only = off | |
582 | #default_transaction_deferrable = off | |
583 | #session_replication_role = 'origin' | |
584 | #statement_timeout = 0 # in milliseconds, 0 is disabled | |
585 | #lock_timeout = 0 # in milliseconds, 0 is disabled | |
586 | #idle_in_transaction_session_timeout = 0 # in milliseconds, 0 is disabled | |
587 | #vacuum_freeze_min_age = 50000000 | |
588 | #vacuum_freeze_table_age = 150000000 | |
589 | #vacuum_multixact_freeze_min_age = 5000000 | |
590 | #vacuum_multixact_freeze_table_age = 150000000 | |
591 | #bytea_output = 'hex' # hex, escape | |
592 | #xmlbinary = 'base64' | |
593 | #xmloption = 'content' | |
594 | #gin_fuzzy_search_limit = 0 | |
595 | #gin_pending_list_limit = 4MB | |
596 | ||
597 | # - Locale and Formatting - | |
598 | ||
599 | datestyle = '{{ postgres_datestyle }}' | |
600 | #intervalstyle = 'postgres' | |
601 | #timezone = '(defaults to server environment setting)' | |
602 | {% if postgres_timezone is defined %} | |
603 | timezone = '{{ postgres_timezone }}' | |
604 | {% endif %} | |
605 | #timezone_abbreviations = 'Default' # Select the set of available time zone | |
606 | # abbreviations. Currently, there are | |
607 | # Default | |
608 | # Australia (historical usage) | |
609 | # India | |
610 | # You can create your own file in | |
611 | # share/timezonesets/. | |
612 | #extra_float_digits = 0 # min -15, max 3 | |
613 | #client_encoding = sql_ascii # actually, defaults to database | |
614 | # encoding | |
615 | ||
616 | # These settings are initialized by initdb, but they can be changed. | |
617 | lc_messages = '{{ postgres_locale_system }}' # locale for system error message | |
618 | # strings | |
619 | lc_monetary = '{{ postgres_locale_formats }}' # locale for monetary formatting | |
620 | lc_numeric = '{{ postgres_locale_formats }}' # locale for number formatting | |
621 | lc_time = '{{ postgres_locale_formats }}' # locale for time formatting | |
622 | ||
623 | # default configuration for text search | |
624 | default_text_search_config = '{{ postgres_text_search_config }}' | |
625 | ||
626 | # - Other Defaults - | |
627 | ||
628 | #dynamic_library_path = '$libdir' | |
629 | #local_preload_libraries = '' | |
630 | #session_preload_libraries = '' | |
631 | ||
632 | ||
633 | #------------------------------------------------------------------------------ | |
634 | # LOCK MANAGEMENT | |
635 | #------------------------------------------------------------------------------ | |
636 | ||
637 | #deadlock_timeout = 1s | |
638 | #max_locks_per_transaction = 64 # min 10 | |
639 | # (change requires restart) | |
640 | #max_pred_locks_per_transaction = 64 # min 10 | |
641 | # (change requires restart) | |
642 | #max_pred_locks_per_relation = -2 # negative values mean | |
643 | # (max_pred_locks_per_transaction | |
644 | # / -max_pred_locks_per_relation) - 1 | |
645 | #max_pred_locks_per_page = 2 # min 0 | |
646 | ||
647 | ||
648 | #------------------------------------------------------------------------------ | |
649 | # VERSION/PLATFORM COMPATIBILITY | |
650 | #------------------------------------------------------------------------------ | |
651 | ||
652 | # - Previous PostgreSQL Versions - | |
653 | ||
654 | #array_nulls = on | |
655 | #backslash_quote = safe_encoding # on, off, or safe_encoding | |
656 | #default_with_oids = off | |
657 | #escape_string_warning = on | |
658 | #lo_compat_privileges = off | |
659 | #operator_precedence_warning = off | |
660 | #quote_all_identifiers = off | |
661 | #standard_conforming_strings = on | |
662 | #synchronize_seqscans = on | |
663 | ||
664 | # - Other Platforms and Clients - | |
665 | ||
666 | #transform_null_equals = off | |
667 | ||
668 | ||
669 | #------------------------------------------------------------------------------ | |
670 | # ERROR HANDLING | |
671 | #------------------------------------------------------------------------------ | |
672 | ||
673 | #exit_on_error = off # terminate session on any error? | |
674 | #restart_after_crash = on # reinitialize after backend crash? | |
675 | ||
676 | ||
677 | #------------------------------------------------------------------------------ | |
678 | # CONFIG FILE INCLUDES | |
679 | #------------------------------------------------------------------------------ | |
680 | ||
681 | # These options allow settings to be loaded from files other than the | |
682 | # default postgresql.conf. | |
683 | ||
684 | #include_dir = 'conf.d' # include files ending in '.conf' from | |
685 | # directory 'conf.d' | |
686 | #include_if_exists = 'exists.conf' # include file only if it exists | |
687 | #include = 'special.conf' # include file | |
688 | ||
689 | ||
690 | #------------------------------------------------------------------------------ | |
691 | # CUSTOMIZED OPTIONS | |
692 | #------------------------------------------------------------------------------ | |
693 | ||
694 | # Add settings for extensions here |