root@rpopdb01e ~ # grep '^[a-z]' /var/lib/pgsql/9.3/data/conf.d/postgresql.conf
hba_file = '9.3/data/conf.d/pg_hba.conf'	# host-based authentication file
listen_addresses = '*'			# what IP address(es) to listen on;
max_connections = 4000			# (change requires restart)
shared_buffers = 32GB			# min 128kB
temp_buffers = 512MB			# min 800kB
shared_preload_libraries = 'pg_stat_statements,pg_statsinfo'		# (change requires restart)
pg_stat_statements.max = 10000
pg_stat_statements.track = all
pg_statsinfo.repository_server = 'host=pgmeta.mail.yandex.net port=6432 dbname=pgstats_rpopdb user=pgstats password=yav8Ia0m'
pg_statsinfo.snapshot_interval = 1min          # set snapshot interval
pg_statsinfo.enable_maintenance = 'on'          # enable maintenance mode('on' or 'off')
pg_statsinfo.maintenance_time = '00:05:00'      # Delete old snapshots every day in this time.
pg_statsinfo.repository_keepday = 30             # keep old snapshots in this period in maintenance.
pg_statsinfo.syslog_min_messages = 'error'
pg_statsinfo.textlog_line_prefix = '%t %p %c-%l %x %q(%u, %d, %r, %a) '  # This format is same as syslog's format.
pg_statsinfo.syslog_line_prefix = '%t %p %c-%l %x %q(%u, %d, %r, %a) '   # This format is same as syslog's format.
wal_level = hot_standby			# minimal, archive, or hot_standby
checkpoint_segments = 64		# in logfile segments, min 1, 16MB each
archive_mode = on		# allows archiving to be done
archive_command = 'test ! -f /var/lib/pgsql/9.3/archive/%f && cp %p /var/lib/pgsql/9.3/archive/%f'
max_wal_senders = 10		# max number of walsender processes
wal_keep_segments = 64		# in logfile segments, 16MB each; 0 disables
wal_sender_timeout = 3s		# in milliseconds; 0 disables
synchronous_standby_names = ''	# standby servers that provide sync rep
hot_standby = on			# "on" allows queries during recovery
wal_receiver_status_interval = 1s	# send replies at least this often
log_destination = 'stderr'		# Valid values are combinations of
logging_collector = on			# Enable capturing of stderr and csvlog
log_directory = 'pg_log'		# directory where log files are written,
log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'	# pg_statsinfo need this log_filename setting
log_truncate_on_rotation = on		# If on, an existing log file with the
log_rotation_age = 1d			# Automatic rotation of logfiles will
log_rotation_size = 0			# Automatic rotation of logfiles will
log_checkpoints = on
log_hostname = on
log_line_prefix = '< %m >'			# special values:
log_lock_waits = on			# log lock waits >= deadlock_timeout
log_timezone = 'Europe/Moscow'
track_activities = on
track_counts = on
track_io_timing = on
track_functions = all			# none, pl, all
autovacuum = on				# Enable autovacuum subprocess?  'on'
log_autovacuum_min_duration = 0		# -1 disables, 0 logs all actions and
datestyle = 'iso, dmy'
timezone = 'Europe/Moscow'
lc_messages = 'en_US.UTF-8'			# locale for system error message
lc_monetary = 'en_US.UTF-8'			# locale for monetary formatting
lc_numeric = 'en_US.UTF-8'			# locale for number formatting
lc_time = 'en_US.UTF-8'				# locale for time formatting
default_text_search_config = 'pg_catalog.english'
root@rpopdb01e ~ #