"msmbarabino@virgilio.it" <msmbarabino@virgilio.it> writes:
>> Hmm ... what does VACUUM VERBOSE of that table show?
> Here is the
> output of VACUUM VERBOSE
Well, that eliminates the theory that you've got a lot of dead tuples
slowing it down. I come back to the conclusion that it's probably a
client-side problem. Have you tried watching with "top" or similar tool
to check which process is eating all the time?
regards, tom lane