How can I speed up update/replace operations in PostgreSQL?

Question

We have a rather specific application that uses PostgreSQL 8.3 as a storage backend (using Python and psycopg2). The operations we perform to the important tables are in the ma

Answer 1

For updates, you can lower your fillfactor for the tables and the indexes and that might help

http://www.postgresql.org/docs/current/static/sql-createtable.html

http://www.postgresql.org/docs/current/static/sql-createindex.html