Fix units in postgresql.conf.

diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 66a11f736c132e9b4c7e4a39f2eada424e1135b9..49488ccfbc19bf31d8f40c646a58155bcd0fba59 100644 (file)
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -48,11 +48,11 @@
 #
 #      Shared Memory Size
 #
-#shared_buffers = 64           # 2*max_connections, min 16, 8K each
+#shared_buffers = 64           # 2*max_connections, min 16, typically 8K each
 #max_fsm_relations = 100       # min 10, fsm is free space map
 #max_fsm_pages = 10000         # min 1000, fsm is free space map
 #max_locks_per_transaction = 64        # min 10
-#wal_buffers = 8               # min 4, 8K each
+#wal_buffers = 8               # min 4, typically 8K each
 
 #
 #      Non-shared Memory Sizes
@@ -89,11 +89,11 @@
 #enable_mergejoin = true
 #enable_hashjoin = true
 
-#effective_cache_size = 1000   # 8K each
-#random_page_cost = 4
-#cpu_tuple_cost = 0.01
-#cpu_index_tuple_cost = 0.001
-#cpu_operator_cost = 0.0025
+#effective_cache_size = 1000   # typically 8K each
+#random_page_cost = 4          # units are one sequential page fetch cost
+#cpu_tuple_cost = 0.01         # (same)
+#cpu_index_tuple_cost = 0.001  # (same)
+#cpu_operator_cost = 0.0025    # (same)
 
 #default_statistics_target = 10        # range 1-1000