Dimitri escribió: > Folks, > > is there any constrains/problems/etc. to run several vacuum processes in > parallel while each one is 'vaccuming' one different table? No, no problem. Keep in mind that if one of them takes a very long time, the others will not be able to remove dead tuples that were killed while the long vacuum was running -- unless you are in 8.2. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.