Anton Melser wrote: > Thanks for that. Just a clarification, can someone tell me what the > "number of tuples" means in the context of the multipliers? I mean, > when the vacuum min multiplier is at 0.4, we multiply 0.4 by what? I > get the min val, but what are we multiplying by 0.4? The total number > of tuples in the table? The total modified/deleted? pg_class.reltuples -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.