"David Esposito" <pgsql-general@xxxxxxxxxxxxxxxxxxxxx> writes: > Size of "problem" table: 6 million rows > Ballpark guess on INSERT/UPDATE/DELETE queries on this table: over 1 > million/day > ... > I do a nightly VACUUM (not VACUUM FULL) Given those parameters, you should expect a "slack" proportion of about 1/6th of the table. Many of the indexes you show seem to be in that ballpark --- do you have any idea what's different about the two that are not? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your message can get through to the mailing list cleanly