[ADMIN] autovacuum for large periodic deletes

[Sriram Dandapani]

Hi   Every night, a delete of about 50 million rows occurs on a table. Do we need to explicitly vacuum the table or will autovacuum handle the large deletes without affecting performance. I am trying to determine whether or not I should completely rely on autovacuum or also tinker with manual vacuums.   Sriram