*** a/doc/src/sgml/mvcc.sgml
--- b/doc/src/sgml/mvcc.sgml
***************
*** 658,663 **** ERROR: could not serialize access due to read/write dependencies among transact
--- 658,680 ----
protections automatically provided by Serializable transactions.
+
+
+ If you are seeing a lot of serialization failures because multiple
+ page locks are being combined into relation locks, you might want to
+ increase .
+
+
+
+
+ If you are experiencing a lot of serialization failures due to
+ table-scan plans being used, you might want to try reducing
+ and/or increasing
+ . Be sure to weigh any decrease
+ in transaction rollbacks and restarts against any overall change in
+ query execution time.
+
+