Re: Vacuum goes worse

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=?ISO-8859-1?Q?St=E9phane_Schildknecht?= <stephane.schildknecht@xxxxxxxxxxxxxxxx> writes:
> For some times, we have a vacuuming process on a specific table that
> goes slower and slower. In fact, it took some 3 minutes a month ago, and
> now it take almost 20 minutes. But, if one day it take so many time, it
> is possible that on the day after it will only take 4 minutes...

> I know the table in concern had 450000 tuples two months ago and now has
> more than 700000 tuples in it.

The real question is how often do rows get updated?  I suspect you
probably need to vacuum this table more than once a day.

			regards, tom lane

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TIP 2: Don't 'kill -9' the postmaster

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