@@ 18,12 18,13 @@
#
# (The uppercase items must be replaced by actual values.)
#
-# The first field is the connection type: "local" is a Unix-domain
-# socket, "host" is either a plain or SSL-encrypted TCP/IP socket,
-# "hostssl" is an SSL-encrypted TCP/IP socket, and "hostnossl" is a
-# non-SSL TCP/IP socket. Similarly, "hostgssenc" uses a
-# GSSAPI-encrypted TCP/IP socket, while "hostnogssenc" uses a
-# non-GSSAPI socket.
+# The first field is the connection type:
+# - "local" is a Unix-domain socket
+# - "host" is a TCP/IP socket (encrypted or not)
+# - "hostssl" is a TCP/IP socket that is SSL-encrypted
+# - "hostnossl" is a TCP/IP socket that is not SSL-encrypted
+# - "hostgssenc" is a TCP/IP socket that is GSSAPI-encrypted
+# - "hostnogssenc" is a TCP/IP socket that is not GSSAPI-encrypted
#
# DATABASE can be "all", "sameuser", "samerole", "replication", a
# database name, or a comma-separated list thereof. The "all"
@@ 24,7 24,8 @@
# "postgres -c log_connections=on". Some parameters can be changed at run time
# with the "SET" SQL command.
#
-# Memory units: kB = kilobytes Time units: ms = milliseconds
+# Memory units: B = bytes Time units: us = microseconds
+# kB = kilobytes ms = milliseconds
# MB = megabytes s = seconds
# GB = gigabytes min = minutes
# TB = terabytes h = hours
@@ 85,10 86,14 @@ max_connections = {{ pg_max_connections }} # (change requires restart)
#tcp_user_timeout = 0 # TCP_USER_TIMEOUT, in milliseconds;
# 0 selects the system default
+#client_connection_check_interval = 0 # time between checks for client
+ # disconnection while running queries;
+ # 0 for never
+
# - Authentication -
#authentication_timeout = 1min # 1s-600s
-password_encryption = scram-sha-256 # md5 or scram-sha-256
+#password_encryption = scram-sha-256 # scram-sha-256 or md5
#db_user_namespace = off
# GSSAPI using Kerberos
@@ 101,6 106,7 @@ ssl = on
#ssl_ca_file = ''
ssl_cert_file = '/var/lib/postgres/data/fullchain.pem'
#ssl_crl_file = ''
+#ssl_crl_dir = ''
ssl_key_file = '/var/lib/postgres/data/privkey.pem'
#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed SSL ciphers
#ssl_prefer_server_ciphers = on
@@ 122,6 128,8 @@ shared_buffers = {{ pg_shared_buffers }} # min 128kB
# (change requires restart)
#huge_pages = try # on, off, or try
# (change requires restart)
+#huge_page_size = 0 # zero for system default
+ # (change requires restart)
#temp_buffers = 8MB # min 800kB
#max_prepared_transactions = 0 # zero disables the feature
# (change requires restart)
@@ 139,13 147,14 @@ maintenance_work_mem = {{ pg_maintenance_work_mem }} # min 1MB
# sysv
# windows
# (change requires restart)
-#dynamic_shared_memory_type = posix # the default is the first option
+dynamic_shared_memory_type = posix # the default is the first option
# supported by the operating system:
# posix
# sysv
# windows
# mmap
# (change requires restart)
+#min_dynamic_shared_memory = 0MB # (change requires restart)
# - Disk -
@@ 161,7 170,7 @@ maintenance_work_mem = {{ pg_maintenance_work_mem }} # min 1MB
#vacuum_cost_delay = 0 # 0-100 milliseconds (0 disables)
#vacuum_cost_page_hit = 1 # 0-10000 credits
-#vacuum_cost_page_miss = 10 # 0-10000 credits
+#vacuum_cost_page_miss = 2 # 0-10000 credits
#vacuum_cost_page_dirty = 20 # 0-10000 credits
#vacuum_cost_limit = 200 # 1-10000 credits
@@ 174,6 183,7 @@ maintenance_work_mem = {{ pg_maintenance_work_mem }} # min 1MB
# - Asynchronous Behavior -
+#backend_flush_after = 0 # measured in pages, 0 disables
effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disables prefetching
#maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching
#max_worker_processes = 8 # (change requires restart)
@@ 184,7 194,6 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# can be used in parallel operations
#old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate
# (change requires restart)
-#backend_flush_after = 0 # measured in pages, 0 disables
#------------------------------------------------------------------------------
@@ 208,9 217,9 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# fsync_writethrough
# open_sync
#full_page_writes = on # recover from partial page writes
-#wal_compression = off # enable compression of full-page writes
#wal_log_hints = off # also do full page writes of non-critical updates
# (change requires restart)
+#wal_compression = off # enable compression of full-page writes
#wal_init_zero = on # zero-fill new WAL files
#wal_recycle = on # recycle WAL files
#wal_buffers = -1 # min 32kB, -1 sets based on shared_buffers
@@ 225,11 234,11 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# - Checkpoints -
#checkpoint_timeout = 5min # range 30s-1d
-#max_wal_size = 1GB
-#min_wal_size = 80MB
-#checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0
+#checkpoint_completion_target = 0.9 # checkpoint target duration, 0.0 - 1.0
#checkpoint_flush_after = 256kB # measured in pages, 0 disables
#checkpoint_warning = 30s # 0 disables
+max_wal_size = 1GB
+min_wal_size = 80MB
# - Archiving -
@@ 250,7 259,6 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# placeholders: %p = path of file to restore
# %f = file name only
# e.g. 'cp /mnt/server/archivedir/%f %p'
- # (change requires restart)
#archive_cleanup_command = '' # command to execute at every restartpoint
#recovery_end_command = '' # command to execute at completion of recovery
@@ 285,20 293,19 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# - Sending Servers -
-# Set these on the master and on any standby that will send replication data.
+# Set these on the primary and on any standby that will send replication data.
#max_wal_senders = 10 # max number of walsender processes
# (change requires restart)
+#max_replication_slots = 10 # max number of replication slots
+ # (change requires restart)
#wal_keep_size = 0 # in megabytes; 0 disables
#max_slot_wal_keep_size = -1 # in megabytes; -1 disables
#wal_sender_timeout = 60s # in milliseconds; 0 disables
-
-#max_replication_slots = 10 # max number of replication slots
- # (change requires restart)
#track_commit_timestamp = off # collect timestamp of transaction commit
# (change requires restart)
-# - Master Server -
+# - Primary Server -
# These settings are ignored on a standby server.
@@ 310,7 317,7 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# - Standby Servers -
-# These settings are ignored on a master server.
+# These settings are ignored on a primary server.
#primary_conninfo = '' # connection string to sending server
#primary_slot_name = '' # replication slot on sending server
@@ 330,7 337,7 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
#hot_standby_feedback = off # send info from standby to prevent
# query conflicts
#wal_receiver_timeout = 60s # time that receiver waits for
- # communication from master
+ # communication from primary
# in milliseconds; 0 disables
#wal_retrieve_retry_interval = 5s # time to wait before retrying to
# retrieve WAL after a failed attempt
@@ 351,23 358,26 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# - Planner Method Configuration -
+#enable_async_append = on
#enable_bitmapscan = on
+#enable_gathermerge = on
#enable_hashagg = on
#enable_hashjoin = on
+#enable_incremental_sort = on
#enable_indexscan = on
#enable_indexonlyscan = on
#enable_material = on
+#enable_memoize = on
#enable_mergejoin = on
#enable_nestloop = on
#enable_parallel_append = on
+#enable_parallel_hash = on
+#enable_partition_pruning = on
+#enable_partitionwise_join = off
+#enable_partitionwise_aggregate = off
#enable_seqscan = on
#enable_sort = on
-#enable_incremental_sort = on
#enable_tidscan = on
-#enable_partitionwise_join = off
-#enable_partitionwise_aggregate = off
-#enable_parallel_hash = on
-#enable_partition_pruning = on
# - Planner Cost Constants -
@@ 376,8 386,11 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
#cpu_tuple_cost = 0.01 # same scale as above
#cpu_index_tuple_cost = 0.005 # same scale as above
#cpu_operator_cost = 0.0025 # same scale as above
-#parallel_tuple_cost = 0.1 # same scale as above
#parallel_setup_cost = 1000.0 # same scale as above
+#parallel_tuple_cost = 0.1 # same scale as above
+#min_parallel_table_scan_size = 8MB
+#min_parallel_index_scan_size = 512kB
+effective_cache_size = {{ pg_effective_cache_size }}
#jit_above_cost = 100000 # perform JIT compilation if available
# and query more expensive than this;
@@ 388,10 401,6 @@ effective_io_concurrency = {{ pg_effective_io_concurrency }} # 1-1000; 0 disabl
# query is more expensive than this;
# -1 disables
-#min_parallel_table_scan_size = 8MB
-#min_parallel_index_scan_size = 512kB
-effective_cache_size = {{ pg_effective_cache_size }}
-
# - Genetic Query Optimizer -
#geqo = on
@@ 408,10 417,9 @@ effective_cache_size = {{ pg_effective_cache_size }}
#constraint_exclusion = partition # on, off, or partition
#cursor_tuple_fraction = 0.1 # range 0.0-1.0
#from_collapse_limit = 8
+#jit = on # allow JIT compilation
#join_collapse_limit = 8 # 1 disables collapsing of explicit
# JOIN clauses
-#force_parallel_mode = off
-#jit = on # allow JIT compilation
#plan_cache_mode = auto # auto, force_generic_plan or
# force_custom_plan
@@ 460,7 468,7 @@ effective_cache_size = {{ pg_effective_cache_size }}
#syslog_sequence_numbers = on
#syslog_split_messages = on
-# This is only relevant when logging to eventlog (win32):
+# This is only relevant when logging to eventlog (Windows):
# (change requires restart)
#event_source = 'PostgreSQL'
@@ 520,6 528,11 @@ effective_cache_size = {{ pg_effective_cache_size }}
#debug_print_rewritten = off
#debug_print_plan = off
#debug_pretty_print = on
+#log_autovacuum_min_duration = -1 # log autovacuum activity;
+ # -1 disables, 0 logs all actions and
+ # their durations, > 0 logs only
+ # actions running at least this number
+ # of milliseconds.
#log_checkpoints = off
#log_connections = off
#log_disconnections = off
@@ 534,9 547,11 @@ effective_cache_size = {{ pg_effective_cache_size }}
# %h = remote host
# %b = backend type
# %p = process ID
+ # %P = process ID of parallel group leader
# %t = timestamp without milliseconds
# %m = timestamp with milliseconds
# %n = timestamp with milliseconds (as a Unix epoch)
+ # %Q = query ID (0 if none or not computed)
# %i = command tag
# %e = SQL state
# %c = session ID
@@ 549,6 564,8 @@ effective_cache_size = {{ pg_effective_cache_size }}
# %% = '%'
# e.g. '<%u%%%d> '
#log_lock_waits = off # log lock waits >= deadlock_timeout
+#log_recovery_conflict_waits = off # log standby recovery conflict waits
+ # >= deadlock_timeout
#log_parameter_max_length = -1 # when logging statements, limit logged
# bind-parameter values to N bytes;
# -1 means print in full, 0 disables
@@ 562,6 579,7 @@ effective_cache_size = {{ pg_effective_cache_size }}
# -1 disables, 0 logs all temp files
log_timezone = 'UTC'
+
#------------------------------------------------------------------------------
# PROCESS TITLE
#------------------------------------------------------------------------------
@@ 578,19 596,21 @@ log_timezone = 'UTC'
# - Query and Index Statistics Collector -
#track_activities = on
+#track_activity_query_size = 1024 # (change requires restart)
#track_counts = on
#track_io_timing = off
+#track_wal_io_timing = off
#track_functions = none # none, pl, all
-#track_activity_query_size = 1024 # (change requires restart)
#stats_temp_directory = 'pg_stat_tmp'
# - Monitoring -
+#compute_query_id = auto
+#log_statement_stats = off
#log_parser_stats = off
#log_planner_stats = off
#log_executor_stats = off
-#log_statement_stats = off
#------------------------------------------------------------------------------
@@ 599,10 619,6 @@ log_timezone = 'UTC'
#autovacuum = on # Enable autovacuum subprocess? 'on'
# requires track_counts to also be on.
-#log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions and
- # their durations, > 0 logs only
- # actions running at least this number
- # of milliseconds.
#autovacuum_max_workers = 3 # max number of autovacuum subprocesses
# (change requires restart)
#autovacuum_naptime = 1min # time between autovacuum runs
@@ 648,10 664,11 @@ log_timezone = 'UTC'
# error
#search_path = '"$user", public' # schema names
#row_security = on
+#default_table_access_method = 'heap'
#default_tablespace = '' # a tablespace name, '' uses the default
+#default_toast_compression = 'pglz' # 'pglz' or 'lz4'
#temp_tablespaces = '' # a list of tablespace names, '' uses
# only default tablespace
-#default_table_access_method = 'heap'
#check_function_bodies = on
#default_transaction_isolation = 'read committed'
#default_transaction_read_only = off
@@ 660,22 677,21 @@ log_timezone = 'UTC'
#statement_timeout = 0 # in milliseconds, 0 is disabled
#lock_timeout = 0 # in milliseconds, 0 is disabled
#idle_in_transaction_session_timeout = 0 # in milliseconds, 0 is disabled
-#vacuum_freeze_min_age = 50000000
+#idle_session_timeout = 0 # in milliseconds, 0 is disabled
#vacuum_freeze_table_age = 150000000
-#vacuum_multixact_freeze_min_age = 5000000
+#vacuum_freeze_min_age = 50000000
+#vacuum_failsafe_age = 1600000000
#vacuum_multixact_freeze_table_age = 150000000
-#vacuum_cleanup_index_scale_factor = 0.1 # fraction of total number of tuples
- # before index cleanup, 0 always performs
- # index cleanup
+#vacuum_multixact_freeze_min_age = 5000000
+#vacuum_multixact_failsafe_age = 1600000000
#bytea_output = 'hex' # hex, escape
#xmlbinary = 'base64'
#xmloption = 'content'
-#gin_fuzzy_search_limit = 0
#gin_pending_list_limit = 4MB
# - Locale and Formatting -
-#datestyle = 'iso, mdy'
+datestyle = 'iso, mdy'
#intervalstyle = 'postgres'
timezone = 'UTC'
#timezone_abbreviations = 'Default' # Select the set of available time zone
@@ 710,6 726,7 @@ default_text_search_config = 'pg_catalog.english'
# - Other Defaults -
#dynamic_library_path = '$libdir'
+#gin_fuzzy_search_limit = 0
#------------------------------------------------------------------------------
@@ 737,7 754,6 @@ default_text_search_config = 'pg_catalog.english'
#backslash_quote = safe_encoding # on, off, or safe_encoding
#escape_string_warning = on
#lo_compat_privileges = off
-#operator_precedence_warning = off
#quote_all_identifiers = off
#standard_conforming_strings = on
#synchronize_seqscans = on
@@ 756,6 772,7 @@ default_text_search_config = 'pg_catalog.english'
#data_sync_retry = off # retry or panic on failure to fsync
# data?
# (change requires restart)
+#recovery_init_sync_method = fsync # fsync, syncfs (Linux 5.8+)
#------------------------------------------------------------------------------