# Memory units: kB = kilobytes Time units: ms = milliseconds # MB = megabytes s = seconds # GB = gigabytes min = minutes # h = hours # d = days # File locations # -------------- # The default values of these variables are driven from the -D command-line # option or PGDATA environment variable, represented here as ConfigDir. # use data in another directory (change requires restart) data_directory = '{{postgresql_data_directory}}' # host-based authentication file (change requires restart) hba_file = '{{postgresql_hba_file}}' # ident configuration file (change requires restart) ident_file = '{{postgresql_ident_file}}' # If external_pid_file is not explicitly set, no extra PID file is written. # write an extra PID file (change requires restart) external_pid_file = '{{postgresql_external_pid_file}}' # Connections # ----------- # What IP address(es) to listen on; comma-separated list of addresses. listen_addresses = '{{postgresql_listen_addresses|join(', ')}}' port = {{postgresql_port}} # Note: Increasing max_connections costs ~400 bytes of shared memory per # connection slot, plus lock space (see max_locks_per_transaction). max_connections = {{postgresql_max_connections}} superuser_reserved_connections = {{postgresql_superuser_reserved_connections}} unix_socket_directories = '{{postgresql_unix_socket_directories|join(',')}}' # comma-separated list of directories unix_socket_group = '{{postgresql_unix_socket_group}}' unix_socket_permissions = {{postgresql_unix_socket_permissions}} # begin with 0 to use octal notation bonjour = {{'on' if postgresql_bonjour else 'off'}} # advertise server via Bonjour bonjour_name = '{{postgresql_bonjour_name}}' # defaults to the computer name # Security and Authentication # --------------------------- authentication_timeout = {{postgresql_authentication_timeout}} ssl = {{'on' if postgresql_ssl else 'off'}} ssl_ciphers = '{{postgresql_ssl_ciphers|join(':')}}' ssl_renegotiation_limit = {{postgresql_ssl_renegotiation_limit}} ssl_cert_file = '{{postgresql_ssl_cert_file}}' ssl_key_file = '{{postgresql_ssl_key_file}}' ssl_ca_file = '{{postgresql_ssl_ca_file}}' ssl_crl_file = '{{postgresql_ssl_crl_file}}' password_encryption = {{'on' if postgresql_password_encryption else 'off'}} db_user_namespace = {{'on' if postgresql_db_user_namespace else 'off'}} # Kerberos and GSSAPI krb_server_keyfile = '{{postgresql_krb_server_keyfile}}' krb_caseins_users = {{'on' if postgresql_db_user_namespace else 'off'}} # TCP Keepalives, 0 selects the system default tcp_keepalives_idle = {{postgresql_tcp_keepalives_idle}} tcp_keepalives_interval = {{postgresql_tcp_keepalives_interval}} tcp_keepalives_count = {{postgresql_tcp_keepalives_count}} # Memory # ------ shared_buffers = {{postgresql_shared_buffers}} temp_buffers = {{postgresql_temp_buffers}} # Note: Increasing max_prepared_transactions costs ~600 bytes of shared memory # per transaction slot, plus lock space (see max_locks_per_transaction). # It is not advisable to set max_prepared_transactions nonzero unless you # actively intend to use prepared transactions. max_prepared_transactions = {{postgresql_max_prepared_transactions}} # 0 disables the feature work_mem = {{postgresql_work_mem}} # min 64kB maintenance_work_mem = {{postgresql_maintenance_work_mem}} # min 1MB max_stack_depth = {{postgresql_max_stack_depth}} # min 100kB # Disk # ---- # limits per-session temp file space in kB, or -1 for no limit temp_file_limit = {{postgresql_temp_file_limit}} # Kernel Resource Usage # --------------------- max_files_per_process = {{postgresql_max_files_per_process}} # min 25 shared_preload_libraries = '{{postgresql_shared_preload_libraries|join(',')}}' # Cost-Based Vacuum Delay # ----------------------- vacuum_cost_delay = {{postgresql_vacuum_cost_delay}} # 0-100 milliseconds vacuum_cost_page_hit = {{postgresql_vacuum_cost_page_hit}} # 0-10000 credits vacuum_cost_page_miss = {{postgresql_vacuum_cost_page_miss}} # 0-10000 credits vacuum_cost_page_dirty = {{postgresql_vacuum_cost_page_dirty}} # 0-10000 credits vacuum_cost_limit = {{postgresql_vacuum_cost_limit}} # 1-10000 credits # Background Writer # ----------------- bgwriter_delay = {{postgresql_bgwriter_delay}} # 10-10000ms between rounds bgwriter_lru_maxpages = {{postgresql_bgwriter_lru_maxpages}} # 0-1000 max buffers written/round bgwriter_lru_multiplier = {{postgresql_bgwriter_lru_multiplier}} # 0-10.0 multipler on buffers scanned/round # Asynchronous Behavior # --------------------- effective_io_concurrency = {{postgresql_effective_io_concurrency}} # 1-1000; 0 disables prefetching # Write Ahead Log # --------------- wal_level = {{postgresql_wal_level}} # minimal, archive, or hot_standby fsync = {{'on' if postgresql_fsync else 'off'}} # turns forced synchronization on or off # synchronization levels: # - off # - local # - remote_write # - on {% if postgresql_synchronous_commit is string %} synchronous_commit = {{postgresql_synchronous_commit}} {% else %} synchronous_commit = {{'on' if postgresql_synchronous_commit else 'off'}} {% endif %} # The default is the first option supported by the operating system: # - open_datasync # - fdatasync (default on Linux) # - fsync # - fsync_writethrough # - open_sync wal_sync_method = {{postgresql_wal_sync_method}} # Recover from partial page writes full_page_writes = {{'on' if postgresql_full_page_writes else 'off'}} wal_buffers = {{postgresql_wal_buffers}} # min 32kB, -1 sets based on shared_buffers wal_writer_delay = {{postgresql_wal_writer_delay}} # 1-10000 milliseconds commit_delay = {{postgresql_commit_delay}} # range 0-100000, in microseconds commit_siblings = {{postgresql_commit_siblings}} # range 1-1000 checkpoint_segments = {{postgresql_checkpoint_segments}} # in logfile segments, min 1, 16MB each checkpoint_timeout = {{postgresql_checkpoint_timeout}} # range 30s-1h checkpoint_completion_target = {{postgresql_checkpoint_completion_target}} # checkpoint target duration, 0.0 - 1.0 checkpoint_warning = {{postgresql_checkpoint_warning}} # 0 disables archive_mode = {{'on' if postgresql_archive_mode else 'off'}} # allows archiving to be done # Command to use to archive a logfile segment. # Placeholders: %p = path of file to archive # %f = file name only # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' archive_command = '{{postgresql_archive_command}}' # force a logfile segment switch after this number of seconds archive_timeout = {{postgresql_archive_timeout}} # 0 disables # Replication # ----------- # Set these on the master and on any standby that will send replication data. max_wal_senders = {{postgresql_max_wal_senders}} # max number of walsender processes wal_keep_segments = {{postgresql_wal_keep_segments}} # in logfile segments, 16MB each; 0 disables wal_sender_timeout = {{postgresql_wal_sender_timeout}} # in milliseconds; 0 disables # Replication (masters) # --------------------- # These settings are ignored on a standby server. # Standby servers that provide sync rep. # Comma-separated list of application_name from standby(s) synchronous_standby_names = '{{postgresql_synchronous_standby_names|join(',')}}' # '*' means 'all' # Number of xacts by which cleanup is delayed vacuum_defer_cleanup_age = {{postgresql_vacuum_defer_cleanup_age}} # Replication (standbys) # ---------------------- # These settings are ignored on a master server. # "on" allows queries during recovery hot_standby = {{'on' if postgresql_hot_standby else 'off'}} # max delay before canceling queries when reading WAL from archive max_standby_archive_delay = {{postgresql_max_standby_archive_delay}} # -1 allows indefinite delay # max delay before canceling queries when reading streaming WAL; max_standby_streaming_delay = {{postgresql_max_standby_streaming_delay}} # -1 allows indefinite delay # send replies at least this often wal_receiver_status_interval = {{postgresql_wal_receiver_status_interval}} # 0 disables # send info from standby to prevent query conflicts hot_standby_feedback = {{'on' if postgresql_hot_standby_feedback or 'off'}} #time that receiver waits for communication from master in milliseconds wal_receiver_timeout = {{postgresql_wal_receiver_timeout}} # Query Tuning (Planner) # ---------------------- enable_bitmapscan = {{'on' if postgresql_enable_bitmapscan else 'off'}} enable_hashagg = {{'on' if postgresql_enable_hashagg else 'off'}} enable_hashjoin = {{'on' if postgresql_enable_hashjoin else 'off'}} enable_indexscan = {{'on' if postgresql_enable_indexscan else 'off'}} enable_indexonlyscan = {{'on' if postgresql_enable_indexonlyscan else 'off'}} enable_material = {{'on' if postgresql_enable_material else 'off'}} enable_mergejoin = {{'on' if postgresql_enable_mergejoin else 'off'}} enable_nestloop = {{'on' if postgresql_enable_nestloop else 'off'}} enable_seqscan = {{'on' if postgresql_enable_seqscan else 'off'}} enable_sort = {{'on' if postgresql_enable_sort else 'off'}} enable_tidscan = {{'on' if postgresql_enable_tidscan else 'off'}} seq_page_cost = {{postgresql_seq_page_cost}} # measured on an arbitrary scale random_page_cost = {{postgresql_random_page_cost}} # same scale as above cpu_tuple_cost = {{postgresql_cpu_tuple_cost}} # same scale as above cpu_index_tuple_cost = {{postgresql_cpu_index_tuple_cost}} # same scale as above cpu_operator_cost = {{postgresql_cpu_operator_cost}} # same scale as above effective_cache_size = {{postgresql_effective_cache_size}} # Query Tuning (Genetic Query Optimizer) # -------------------------------------- geqo = {{'on' if postgresql_enable_tidscan else 'off'}} geqo_threshold = {{postgresql_geqo_threshold}} geqo_effort = {{postgresql_geqo_effort}} # range 1-10 geqo_pool_size = {{postgresql_geqo_pool_size}} # selects default based on effort geqo_generations = {{postgresql_geqo_generations}} # selects default based on effort geqo_selection_bias = {{postgresql_geqo_selection_bias}} # range 1.5-2.0 geqo_seed = {{postgresql_geqo_seed}} # range 0.0-1.0 # Query Tuning (Other Planner Options) # ------------------------------------ default_statistics_target = {{postgresql_default_statistics_target}} # range 1-10000 constraint_exclusion = {{postgresql_constraint_exclusion}} # on, off, or partition cursor_tuple_fraction = {{postgresql_cursor_tuple_fraction}} # range 0.0-1.0 from_collapse_limit = {{postgresql_from_collapse_limit}} join_collapse_limit = {{postgresql_join_collapse_limit}} # 1 disables collapsing of explicit JOIN clauses # Error Reporting And Logging # --------------------------- # Valid values are combinations of stderr, csvlog, syslog, and eventlog. # depending on platform. Csvlog requires logging_collector to be on. log_destination = '{{postgresql_log_destination}}' # Enable capturing of stderr and csvlog into log files. # Required to be on for csvlogs. logging_collector = {{'on' if postgresql_logging_collector else 'off'}} # These are only used if logging_collector is on: # Directory where log files are written, can be absolute or relative to PGDATA log_directory = '{{postgresql_log_directory}}' # Log file name pattern, can include strftime() escapes log_filename = '{{postgresql_log_filename}}' log_file_mode = {{postgresql_log_file_mode}} # begin with 0 to use octal notation # If on, an existing log file with the same name as the new log file will be # truncated rather than appended to. But such truncation only occurs on # time-driven rotation, not on restarts or size-driven rotation. Default is # off, meaning append to existing files in all cases. log_truncate_on_rotation = {{'on' if postgresql_log_truncate_on_rotation else 'off'}} # Automatic rotation of logfiles will happen after that time. log_rotation_age = {{postgresql_log_rotation_age}} # 0 disables. # Automatic rotation of logfiles will happen after that much log output. log_rotation_size = {{postgresql_log_rotation_size}} # 0 disables. # These are relevant when logging to syslog: syslog_facility = '{{postgresql_syslog_facility}}' syslog_ident = '{{postgresql_syslog_ident}}' # This is only relevant when logging to eventlog (win32): event_source = '{{postgresql_event_source}}' # Values in order of decreasing detail: # - debug5 # - debug4 # - debug3 # - debug2 # - debug1 # - log # - notice # - warning # - error client_min_messages = {{postgresql_client_min_messages}} # Values in order of decreasing detail: # - debug5 # - debug4 # - debug3 # - debug2 # - debug1 # - info # - notice # - warning # - error # - log # - fatal # - panic log_min_messages = {{postgresql_log_min_messages}} # Values in order of decreasing detail: # - debug5 # - debug4 # - debug3 # - debug2 # - debug1 # - info # - notice # - warning # - error # - log # - fatal # - panic (effectively off) log_min_error_statement = {{postgresql_log_min_error_statement}} # -1 is disabled, 0 logs all statements and their durations, > 0 logs only # statements running at least this number of milliseconds log_min_duration_statement = {{postgresql_log_min_duration_statement}} debug_print_parse = {{'on' if postgresql_debug_print_parse else 'off'}} debug_print_rewritten = {{'on' if postgresql_debug_print_rewritten else 'off'}} debug_print_plan = {{'on' if postgresql_debug_print_plan else 'off'}} debug_pretty_print = {{'on' if postgresql_debug_pretty_print else 'off'}} log_checkpoints = {{'on' if postgresql_log_checkpoints else 'off'}} log_connections = {{'on' if postgresql_log_connections else 'off'}} log_disconnections = {{'on' if postgresql_log_disconnections else 'off'}} log_duration = {{'on' if postgresql_log_duration else 'off'}} log_error_verbosity = {{postgresql_log_error_verbosity}} # terse, default, or verbose messages log_hostname = {{'on' if postgresql_log_duration else 'off'}} # special values: # %a = application name # %u = user name # %d = database name # %r = remote host and port # %h = remote host # %p = process ID # %t = timestamp without milliseconds # %m = timestamp with milliseconds # %i = command tag # %e = SQL state # %c = session ID # %l = session line number # %s = session start timestamp # %v = virtual transaction ID # %x = transaction ID (0 if none) # %q = stop here in non-session # processes # %% = '%' log_line_prefix = '{{postgresql_log_line_prefix}}' # log lock waits >= deadlock_timeout log_lock_waits = {{'on' if postgresql_log_lock_waits else 'off'}} log_statement = '{{postgresql_log_statement}}' # none, ddl, mod, all # log temporary files equal or larger than the specified size in kilobytes log_temp_files = {{postgresql_log_temp_files}} # -1 disables, 0 logs all temp files log_timezone = '{{postgresql_log_timezone}}' # Runtime statistics # ------------------ track_activities = {{'on' if postgresql_track_activities else 'off'}} track_counts = {{'on' if postgresql_track_counts else 'off'}} track_io_timing = {{'on' if postgresql_track_io_timing else 'off'}} track_functions = {{postgresql_track_functions}} # none, pl, all track_activity_query_size = {{postgresql_track_activity_query_size}} update_process_title = {{'on' if postgresql_update_process_title else 'off'}} stats_temp_directory = '{{postgresql_stats_temp_directory}}' log_parser_stats = {{'on' if postgresql_log_parser_stats else 'off'}} log_planner_stats = {{'on' if postgresql_log_planner_stats else 'off'}} log_executor_stats = {{'on' if postgresql_log_executor_stats else 'off'}} log_statement_stats = {{'on' if postgresql_log_statement_stats else 'off'}} # Autovacuum Parameters # --------------------- # Enable autovacuum subprocess? 'on' requires track_counts to also be on. autovacuum = {{'on' if postgresql_autovacuum else 'off'}} # -1 disables, 0 logs all actions and their durations, > 0 logs only # actions running at least this number of milliseconds. log_autovacuum_min_duration = {{postgresql_log_autovacuum_min_duration}} # max number of autovacuum subprocesses autovacuum_max_workers = {{postgresql_autovacuum_max_workers}} # time between autovacuum runs autovacuum_naptime = {{postgresql_autovacuum_naptime}} # min number of row updates before vacuum autovacuum_vacuum_threshold = {{postgresql_autovacuum_vacuum_threshold}} # min number of row updates before analyze autovacuum_analyze_threshold = {{postgresql_autovacuum_analyze_threshold}} # fraction of table size before vacuum autovacuum_vacuum_scale_factor = {{postgresql_autovacuum_vacuum_scale_factor}} # fraction of table size before analyze autovacuum_analyze_scale_factor = {{postgresql_autovacuum_analyze_scale_factor}} # maximum XID age before forced vacuum autovacuum_freeze_max_age = {{postgresql_autovacuum_freeze_max_age}} # default vacuum cost delay for autovacuum, in milliseconds autovacuum_vacuum_cost_delay = {{postgresql_autovacuum_vacuum_cost_delay}} # -1 means use vacuum_cost_delay # default vacuum cost limit for autovacuum autovacuum_vacuum_cost_limit = {{postgresql_autovacuum_vacuum_cost_limit}} # -1 means use vacuum_cost_limit # Client Connection Defaults # -------------------------- search_path = '{{postgresql_search_path|join(',')}}' # schema names default_tablespace = '{{postgresql_default_tablespace}}' # '' uses the default temp_tablespaces = '{{postgresql_temp_tablespaces|join(',')}}' # '' uses only default tablespace check_function_bodies = {{'on' if postgresql_check_function_bodies else 'off'}} default_transaction_isolation = '{{postgresql_default_transaction_isolation}}' default_transaction_read_only = {{'on' if postgresql_default_transaction_read_only else 'off'}} default_transaction_deferrable = {{'on' if postgresql_default_transaction_deferrable else 'off'}} session_replication_role = '{{postgresql_session_replication_role}}' statement_timeout = {{postgresql_statement_timeout}} # in milliseconds, 0 is disabled lock_timeout = {{postgresql_lock_timeout}} # in milliseconds, 0 is disabled vacuum_freeze_min_age = {{postgresql_vacuum_freeze_min_age}} vacuum_freeze_table_age = {{postgresql_vacuum_freeze_table_age}} bytea_output = '{{postgresql_bytea_output}}' # hex, escape xmlbinary = '{{postgresql_xmlbinary}}' xmloption = '{{postgresql_xmloption}}' datestyle = '{{postgresql_datestyle|join(',')}}' intervalstyle = '{{postgresql_intervalstyle}}' timezone = '{{postgresql_timezone}}' # Select the set of available time zone abbreviations. Currently, there are: # - Default # - Australia # - India # You can create your own file in `share/timezonesets/`. timezone_abbreviations = '{{postgresql_timezone_abbreviations}}' extra_float_digits = {{postgresql_extra_float_digits}} # min -15, max 3 client_encoding = {{postgresql_client_encoding}} # 'sql_ascii' actually defaults to database encoding # These settings are initialized by initdb, but they can be changed. # locale for system error message strings lc_messages = '{{postgresql_lc_messages}}' # locale for monetary formatting lc_monetary = '{{postgresql_lc_monetary}}' # locale for number formatting lc_numeric = '{{postgresql_lc_numeric}}' # locale for time formatting lc_time = '{{postgresql_lc_time}}' # default configuration for text search default_text_search_config = '{{postgresql_default_text_search_config}}' dynamic_library_path = '{{postgresql_dynamic_library_path}}' local_preload_libraries = '{{postgresql_local_preload_libraries|join(',')}}' # Lock Management # --------------- deadlock_timeout = {{postgresql_deadlock_timeout}} max_locks_per_transaction = {{postgresql_max_locks_per_transaction}} # min 10 # Note: Each lock table slot uses ~270 bytes of shared memory, and there are # max_locks_per_transaction * (max_connections + max_prepared_transactions) # lock table slots. max_pred_locks_per_transaction = {{postgresql_max_pred_locks_per_transaction}} # min 10 # Version/platform Compatibility # ------------------------------ array_nulls = {{'on' if postgresql_array_nulls else 'off'}} backslash_quote = {{postgresql_backslash_quote}} # on, off, or safe_encoding default_with_oids = {{'on' if postgresql_default_with_oids else 'off'}} escape_string_warning = {{'on' if postgresql_escape_string_warning else 'off'}} lo_compat_privileges = {{'on' if postgresql_lo_compat_privileges else 'off'}} quote_all_identifiers = {{'on' if postgresql_quote_all_identifiers else 'off'}} sql_inheritance = {{'on' if postgresql_sql_inheritance else 'off'}} standard_conforming_strings = {{'on' if postgresql_standard_conforming_strings else 'off'}} synchronize_seqscans = {{'on' if postgresql_synchronize_seqscans else 'off'}} transform_null_equals = {{'on' if postgresql_transform_null_equals else 'off'}} # Error Handling # -------------- # Terminate session on any error? exit_on_error = {{'on' if postgresql_exit_on_error else 'off'}} # Reinitialize after backend crash? restart_after_crash = {{'on' if postgresql_restart_after_crash else 'off'}} # Config File Includes # -------------------- # These options allow settings to be loaded from files other than the # default postgresql.conf. # include files ending in '.conf' from directory 'conf.d' #include_dir = 'conf.d' # include file only if it exists #include_if_exists = 'exists.conf' # include file #include = 'special.conf' # CUSTOMIZED OPTIONS # ------------------ # Add settings for extensions here