# 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(':')}}'
{% if postgresql_version < 9.5 %}
ssl_renegotiation_limit = {{postgresql_ssl_renegotiation_limit}}
{% endif %}
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

{% if postgresql_version < 9.5 %}
checkpoint_segments          = {{postgresql_checkpoint_segments}} # in logfile segments, min 1, 16MB each
{% endif %}
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'}}
{% if postgresql_version < 10 %}
sql_inheritance             = {{'on' if postgresql_sql_inheritance else 'off'}}
{% endif %}
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