diff -urNp -x '*.orig' postgresql-12.4.org/src/backend/utils/misc/postgresql.conf.sample postgresql-12.4/src/backend/utils/misc/postgresql.conf.sample
--- postgresql-12.4.org/src/backend/utils/misc/postgresql.conf.sample 2020-08-10 23:15:53.000000000 +0200
+++ postgresql-12.4/src/backend/utils/misc/postgresql.conf.sample 2021-11-09 09:30:59.882648111 +0100
-@@ -416,7 +416,7 @@
+@@ -441,7 +441,7 @@
# - Where to Log -
-#log_destination = 'stderr' # Valid values are combinations of
+log_destination = 'syslog' # Valid values are combinations of
- # stderr, csvlog, syslog, and eventlog,
- # depending on platform. csvlog
- # requires logging_collector to be on.
-@@ -449,9 +449,9 @@
- # 0 disables.
+ # stderr, csvlog, jsonlog, syslog, and
+ # eventlog, depending on platform.
+ # csvlog and jsonlog require
+@@ -463,9 +463,9 @@ log_destination = 'syslog' # Valid valu
+ # in all cases.
# These are relevant when logging to syslog:
-#syslog_facility = 'LOCAL0'
+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):
+