> We are using PostgreSQL for storing data and full-text search indexes > for the webiste of a daily newspaper. We are very happy overall with the > results, but we have one "weird" behaviour that we would like to solve. I think there's a lot of missing info worth knowing: 1) checkpoints logs? Enable them, maybe the "slowness" happens at checkpoints: log_checkpoints=true 2) How many rows does each table contain? 3) HW: how many discs you have, and which controller you're using (and: does it use a BBU?) The more you tell the list, the better help you'll get... -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance