Re: Question about VACUUM
От | Ernesto Quiñones |
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Тема | Re: Question about VACUUM |
Дата | |
Msg-id | CAMB2kH6OHJ32hwvqRAkMoUr_X5rM0ZtR8s1QQSNjJbORR7mi+A@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Question about VACUUM (Scott Marlowe <scott.marlowe@gmail.com>) |
Ответы |
Re: Question about VACUUM
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Список | pgsql-performance |
Thanks for the answer Scott, actually my autovacuum_naptime is 1h .. but I don't find naptime parameter for a manual vacuum thanks again 2011/12/2 Scott Marlowe <scott.marlowe@gmail.com>: > On Fri, Dec 2, 2011 at 8:32 PM, Ernesto Quiñones <ernestoq@gmail.com> wrote: >> Hi friends >> >> I want to know if it's possible to predict (calculate), how long a >> VACUUM FULL process will consume in a table? >> >> can I apply some formula to calculate this? > > If you look at what iostat is doing while the vacuum full is running, > and divide the size of the table by that k/sec you can get a good > approximation of how long it will take. Do you have naptime set to > anything above 0? -- ---------------------------------------------------------- Visita : http://www.eqsoft.net ---------------------------------------------------------- Sigueme en Twitter : http://www.twitter.com/ernestoq
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