diff --git a/roles/postgres/files/upgrade_pg.sh b/roles/postgres/files/upgrade_pg.sh
index 57790d3359a072a8012de7398e83d7fea7c6ff09..0662285544687b769720111d49ed1eb171645647 100755
--- a/roles/postgres/files/upgrade_pg.sh
+++ b/roles/postgres/files/upgrade_pg.sh
@@ -5,7 +5,7 @@ set -e
TO_VERSION=$(pacman -Q postgresql | grep -Po '(?<=postgresql )[0-9]+\.[0-9]')
to_major=${TO_VERSION%%.*}
-if (( $to_major != 15 )); then
+if (( $to_major != 16 )); then
# NOTE: When this happens you should check the changelog and add any
# necessary changes here. Then bump the version check.
echo "ERROR: major upgrade detected, aborting..."
diff --git a/roles/postgres/templates/postgresql.conf.j2 b/roles/postgres/templates/postgresql.conf.j2
index 843f8070e7d543c032d4986663417f3151a24bbf..d7b5c42c132d7aaac6579783d1976eeaaa74dc7c 100644
--- a/roles/postgres/templates/postgresql.conf.j2
+++ b/roles/postgres/templates/postgresql.conf.j2
@@ -63,6 +63,7 @@ listen_addresses = '{{ postgres_listen_addresses }}' # what IP address(es) to l
# (change requires restart)
#port = 5432 # (change requires restart)
max_connections = {{ postgres_max_connections }} # (change requires restart)
+#reserved_connections = 0 # (change requires restart)
#superuser_reserved_connections = 3 # (change requires restart)
#unix_socket_directories = '/run/postgresql' # comma-separated list of directories
# (change requires restart)
@@ -94,11 +95,13 @@ max_connections = {{ postgres_max_connections }} # (change requires restart)
#authentication_timeout = 1min # 1s-600s
#password_encryption = scram-sha-256 # scram-sha-256 or md5
+#scram_iterations = 4096
#db_user_namespace = off
# GSSAPI using Kerberos
#krb_server_keyfile = 'FILE:${sysconfdir}/krb5.keytab'
#krb_caseins_users = off
+#gss_accept_delegation = off
# - SSL -
@@ -147,7 +150,7 @@ maintenance_work_mem = {{ postgres_maintenance_work_mem }} # min 1MB
# sysv
# windows
# (change requires restart)
-dynamic_shared_memory_type = posix # the default is usually the first option
+#dynamic_shared_memory_type = posix # the default is usually the first option
# supported by the operating system:
# posix
# sysv
@@ -155,6 +158,9 @@ dynamic_shared_memory_type = posix # the default is usually the first option
# mmap
# (change requires restart)
#min_dynamic_shared_memory = 0MB # (change requires restart)
+#vacuum_buffer_usage_limit = 256kB # size of vacuum and analyze buffer access strategy ring;
+ # 0 to disable vacuum buffer access strategy;
+ # range 128kB to 16GB
# - Disk -
@@ -179,7 +185,7 @@ dynamic_shared_memory_type = posix # the default is usually the first option
#bgwriter_delay = 200ms # 10-10000ms between rounds
#bgwriter_lru_maxpages = 100 # max buffers written/round, 0 disables
#bgwriter_lru_multiplier = 2.0 # 0-10.0 multiplier on buffers scanned/round
-#bgwriter_flush_after = 512kB # measured in pages, 0 disables
+#bgwriter_flush_after = 0 # measured in pages, 0 disables
# - Asynchronous Behavior -
@@ -236,10 +242,10 @@ dynamic_shared_memory_type = posix # the default is usually the first option
#checkpoint_timeout = 5min # range 30s-1d
#checkpoint_completion_target = 0.9 # checkpoint target duration, 0.0 - 1.0
-#checkpoint_flush_after = 256kB # measured in pages, 0 disables
+#checkpoint_flush_after = 0 # measured in pages, 0 disables
#checkpoint_warning = 30s # 0 disables
-max_wal_size = 1GB
-min_wal_size = 80MB
+#max_wal_size = 1GB
+#min_wal_size = 80MB
# - Prefetching during recovery -
@@ -251,21 +257,21 @@ min_wal_size = 80MB
#archive_mode = off # enables archiving; off, on, or always
# (change requires restart)
-#archive_library = '' # library to use to archive a logfile segment
+#archive_library = '' # library to use to archive a WAL file
# (empty string indicates archive_command should
# be used)
-#archive_command = '' # command to use to archive a logfile segment
+#archive_command = '' # command to use to archive a WAL file
# 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_timeout = 0 # force a logfile segment switch after this
+#archive_timeout = 0 # force a WAL file switch after this
# number of seconds; 0 disables
# - Archive Recovery -
# These are only used in recovery mode.
-#restore_command = '' # command to use to restore an archived logfile segment
+#restore_command = '' # command to use to restore an archived WAL file
# placeholders: %p = path of file to restore
# %f = file name only
# e.g. 'cp /mnt/server/archivedir/%f %p'
@@ -323,7 +329,6 @@ min_wal_size = 80MB
# method to choose sync standbys, number of sync standbys,
# and comma-separated list of application_name
# from standby(s); '*' = all
-#vacuum_defer_cleanup_age = 0 # number of xacts by which cleanup is delayed
# - Standby Servers -
@@ -331,7 +336,6 @@ min_wal_size = 80MB
#primary_conninfo = '' # connection string to sending server
#primary_slot_name = '' # replication slot on sending server
-#promote_trigger_file = '' # file name whose presence ends recovery
#hot_standby = on # "off" disallows queries during recovery
# (change requires restart)
#max_standby_archive_delay = 30s # max delay before canceling queries
@@ -360,6 +364,7 @@ min_wal_size = 80MB
#max_logical_replication_workers = 4 # taken from max_worker_processes
# (change requires restart)
#max_sync_workers_per_subscription = 2 # taken from max_logical_replication_workers
+#max_parallel_apply_workers_per_subscription = 2 # taken from max_logical_replication_workers
#------------------------------------------------------------------------------
@@ -385,6 +390,7 @@ min_wal_size = 80MB
#enable_partition_pruning = on
#enable_partitionwise_join = off
#enable_partitionwise_aggregate = off
+#enable_presorted_aggregate = on
#enable_seqscan = on
#enable_sort = on
#enable_tidscan = on
@@ -596,10 +602,7 @@ log_line_prefix = '%d: ' # special values:
# -1 disables, 0 logs all temp files
log_timezone = 'UTC'
-
-#------------------------------------------------------------------------------
-# PROCESS TITLE
-#------------------------------------------------------------------------------
+# - Process Title -
#cluster_name = '' # added to process titles if nonempty
# (change requires restart)
@@ -618,7 +621,7 @@ log_timezone = 'UTC'
#track_io_timing = off
#track_wal_io_timing = off
#track_functions = none # none, pl, all
-#stats_fetch_consistency = cache
+#stats_fetch_consistency = cache # cache, none, snapshot
# - Monitoring -
@@ -705,10 +708,11 @@ log_timezone = 'UTC'
#xmlbinary = 'base64'
#xmloption = 'content'
#gin_pending_list_limit = 4MB
+#createrole_self_grant = '' # set and/or inherit
# - Locale and Formatting -
-datestyle = 'iso, mdy'
+#datestyle = 'iso, mdy'
#intervalstyle = 'postgres'
timezone = 'UTC'
#timezone_abbreviations = 'Default' # Select the set of available time zone
@@ -730,6 +734,9 @@ lc_monetary = 'C.UTF-8' # locale for monetary formatting
lc_numeric = 'C.UTF-8' # locale for number formatting
lc_time = 'C.UTF-8' # locale for time formatting
+#icu_validation_level = warning # report ICU locale validation
+ # errors at the given level
+
# default configuration for text search
default_text_search_config = 'pg_catalog.english'