Replacement of the buffer replacement strategy with an ARC

algorithm adopted for PostgreSQL.

Jan

src/backend/utils/misc/postgresql.conf.sample

@@ -58,6 +58,7 @@
 #shared_buffers = 1000		# min 16, at least max_connections*2, 8KB each
 #sort_mem = 1024		# min 64, size in KB
 #vacuum_mem = 8192		# min 1024, size in KB
+#buffer_strategy_status_interval = 0	# 0-600 seconds
 
 # - Free Space Map -