From c158d7989fa5686864b2753ababff8700eb45416 Mon Sep 17 00:00:00 2001
From: "Jan Alexander Steffens (heftig)" <heftig@archlinux.org>
Date: Sat, 12 Dec 2020 13:21:11 +0100
Subject: [PATCH] roles/postgres: Update config from sample config (13.1-2)
Only changes to comments.
---
roles/postgres/templates/postgresql.conf.j2 | 49 ++++++++++++++++-----
1 file changed, 39 insertions(+), 10 deletions(-)
diff --git a/roles/postgres/templates/postgresql.conf.j2 b/roles/postgres/templates/postgresql.conf.j2
index bc671f272..9e620bd18 100644
--- a/roles/postgres/templates/postgresql.conf.j2
+++ b/roles/postgres/templates/postgresql.conf.j2
@@ -74,7 +74,7 @@ max_connections = {{ postgres_max_connections }} # (change requires restart)
# (change requires restart)
# - TCP settings -
-# see "man 7 tcp" for details
+# see "man tcp" for details
#tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds;
# 0 selects the system default
@@ -105,7 +105,7 @@ ssl_key_file = '{{ postgres_ssl_key_file }}'
#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed SSL ciphers
ssl_prefer_server_ciphers = {{ postgres_ssl_prefer_server_ciphers }}
#ssl_ecdh_curve = 'prime256v1'
-#ssl_min_protocol_version = 'TLSv1'
+#ssl_min_protocol_version = 'TLSv1.2'
#ssl_max_protocol_version = ''
#ssl_dh_params_file = ''
#ssl_passphrase_command = ''
@@ -128,8 +128,10 @@ shared_buffers = {{ postgres_shared_buffers }} # min 128kB
# Caution: it is not advisable to set max_prepared_transactions nonzero unless
# you actively intend to use prepared transactions.
work_mem = {{ postgres_work_mem }} # min 64kB
+#hash_mem_multiplier = 1.0 # 1-1000.0 multiplier on hash table work_mem
maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
#autovacuum_work_mem = -1 # min 1MB, or -1 to use maintenance_work_mem
+#logical_decoding_work_mem = 64MB # min 64kB
#max_stack_depth = 2MB # min 100kB
#shared_memory_type = mmap # the default is the first option
# supported by the operating system:
@@ -148,11 +150,11 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
# - Disk -
#temp_file_limit = -1 # limits per-process temp file space
- # in kB, or -1 for no limit
+ # in kilobytes, or -1 for no limit
# - Kernel Resources -
-#max_files_per_process = 1000 # min 25
+#max_files_per_process = 1000 # min 64
# (change requires restart)
# - Cost-Based Vacuum Delay -
@@ -173,6 +175,7 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
# - Asynchronous Behavior -
#effective_io_concurrency = 1 # 1-1000; 0 disables prefetching
+#maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching
#max_worker_processes = 8 # (change requires restart)
#max_parallel_maintenance_workers = 2 # taken from max_parallel_workers
#max_parallel_workers_per_gather = 2 # taken from max_parallel_workers
@@ -214,6 +217,7 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
# (change requires restart)
#wal_writer_delay = 200ms # 1-10000 milliseconds
#wal_writer_flush_after = 1MB # measured in pages, 0 disables
+#wal_skip_threshold = 2MB
#commit_delay = 0 # range 0-100000, in microseconds
#commit_siblings = 5 # range 1-1000
@@ -285,7 +289,8 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
#max_wal_senders = 10 # max number of walsender processes
# (change requires restart)
-#wal_keep_segments = 0 # in logfile segments; 0 disables
+#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
@@ -308,9 +313,7 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
# These settings are ignored on a master server.
#primary_conninfo = '' # connection string to sending server
- # (change requires restart)
#primary_slot_name = '' # replication slot on sending server
- # (change requires restart)
#promote_trigger_file = '' # file name whose presence ends recovery
#hot_standby = on # "off" disallows queries during recovery
# (change requires restart)
@@ -320,6 +323,8 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
#max_standby_streaming_delay = 30s # max delay before canceling queries
# when reading streaming WAL;
# -1 allows indefinite delay
+#wal_receiver_create_temp_slot = off # create temp slot if primary_slot_name
+ # is not set
#wal_receiver_status_interval = 10s # send replies at least this often
# 0 disables
#hot_standby_feedback = off # send info from standby to prevent
@@ -357,6 +362,7 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
#enable_parallel_append = on
#enable_seqscan = on
#enable_sort = on
+#enable_incremental_sort = on
#enable_tidscan = on
#enable_partitionwise_join = off
#enable_partitionwise_aggregate = off
@@ -493,9 +499,20 @@ syslog_split_messages = off
# statements running at least this number
# of milliseconds
-#log_transaction_sample_rate = 0.0 # Fraction of transactions whose statements
- # are logged regardless of their duration. 1.0 logs all
- # statements from all transactions, 0.0 never logs.
+#log_min_duration_sample = -1 # -1 is disabled, 0 logs a sample of statements
+ # and their durations, > 0 logs only a sample of
+ # statements running at least this number
+ # of milliseconds;
+ # sample fraction is determined by log_statement_sample_rate
+
+#log_statement_sample_rate = 1.0 # fraction of logged statements exceeding
+ # log_min_duration_sample to be logged;
+ # 1.0 logs all such statements, 0.0 never logs
+
+
+#log_transaction_sample_rate = 0.0 # fraction of transactions whose statements
+ # are logged regardless of their duration; 1.0 logs all
+ # statements from all transactions, 0.0 never logs
# - What to Log -
@@ -515,6 +532,7 @@ log_line_prefix = '%d: ' # special values:
# %d = database name
# %r = remote host and port
# %h = remote host
+ # %b = backend type
# %p = process ID
# %t = timestamp without milliseconds
# %m = timestamp with milliseconds
@@ -531,6 +549,12 @@ log_line_prefix = '%d: ' # special values:
# %% = '%'
# e.g. '<%u%%%d> '
#log_lock_waits = off # log lock 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
+#log_parameter_max_length_on_error = 0 # when logging an error, limit logged
+ # bind-parameter values to N bytes;
+ # -1 means print in full, 0 disables
#log_statement = 'none' # none, ddl, mod, all
#log_replication_commands = off
#log_temp_files = -1 # log temporary files equal or larger
@@ -584,9 +608,14 @@ log_timezone = 'UTC'
#autovacuum_naptime = 1min # time between autovacuum runs
#autovacuum_vacuum_threshold = 50 # min number of row updates before
# vacuum
+#autovacuum_vacuum_insert_threshold = 1000 # min number of row inserts
+ # before vacuum; -1 disables insert
+ # vacuums
#autovacuum_analyze_threshold = 50 # min number of row updates before
# analyze
#autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum
+#autovacuum_vacuum_insert_scale_factor = 0.2 # fraction of inserts over table
+ # size before insert vacuum
#autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze
#autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum
# (change requires restart)
--
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