---- postgresql-11.1/src/backend/utils/misc/postgresql.conf.sample 2018-11-06 23:56:26.000000000 +0000
-+++ postgresql-11.1/src/backend/utils/misc/postgresql.conf.sample 2018-12-03 13:15:44.113403000 +0000
-@@ -361,23 +361,23 @@
+--- postgresql-12.0/src/backend/utils/misc/postgresql.conf.sample 2019-09-30 22:06:55.000000000 +0200
++++ postgresql-12.0/src/backend/utils/misc/postgresql.conf.sample 2019-10-07 21:05:24.551000000 +0200
+@@ -416,23 +416,23 @@
# - Where to Log -
+log_directory = '/var/log/postgresql' # directory where log files are written,
# can be absolute or relative to PGDATA
-#log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern,
-+log_filename = 'postgresql-11.log' # log file name pattern,
++log_filename = 'postgresql-12.log' # log file name pattern,
# can include strftime() escapes
-#log_file_mode = 0600 # creation mode for log files,
+log_file_mode = 0640 # creation mode for log files,
# begin with 0 to use octal notation
#log_truncate_on_rotation = off # If on, an existing log file with the
# same name as the new log file will be
-@@ -387,16 +387,16 @@
+@@ -442,16 +442,16 @@
# or size-driven rotation. Default is
# off, meaning append to existing files
# in all cases.
-#syslog_ident = 'postgres'
-#syslog_sequence_numbers = on
+syslog_facility = 'LOCAL0'
-+syslog_ident = 'postgresql-11'
++syslog_ident = 'postgresql-12'
+syslog_sequence_numbers = on
#syslog_split_messages = on
# This is only relevant when logging to eventlog (win32):
-@@ -457,12 +457,12 @@
+@@ -504,12 +504,12 @@
#debug_print_plan = off
#debug_pretty_print = on
#log_checkpoints = off