max_connections = 100			# (change requires restart)
shared_buffers = 700MB			# min 128kB or max_connections*16kB
maintenance_work_mem = 160MB		# min 1MB
max_fsm_pages = 204800			# min max_fsm_relations*16, 6 bytes each
full_page_writes = on			# recover from partial page writes
wal_buffers = 640kB			# min 32kB
checkpoint_segments = 30		# in logfile segments, min 1, 16MB each
checkpoint_timeout =30min		# range 30s-1h
checkpoint_warning = 600s		# 0 is off
autovacuum = off			# enable autovacuum subprocess?
datestyle = 'iso, dmy'
lc_messages = 'en_GB.UTF-8'			# locale for system error message 
lc_monetary = 'en_GB.UTF-8'			# locale for monetary formatting
lc_numeric = 'en_GB.UTF-8'			# locale for number formatting
lc_time = 'en_GB.UTF-8'				# locale for time formatting
