Re: R: Vacuum full: alternatives?

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От Martín Marqués
Тема Re: R: Vacuum full: alternatives?
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Msg-id a3fa3519-7685-0425-50e1-276653896836@2ndquadrant.com
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Ответ на Re: R: Vacuum full: alternatives?  (Melvin Davidson <melvin6925@gmail.com>)
Ответы Re: R: Vacuum full: alternatives?  (Vik Fearing <vik@2ndquadrant.fr>)
Re: R: Vacuum full: alternatives?  (Jeff Janes <jeff.janes@gmail.com>)
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El 20/06/16 a las 09:50, Melvin Davidson escribió:
>
>
>>but it won't let it grow too (or am I missing something).
>
> Yes, you are missing something. By partioning and {Vacuum Full only the
> table with data no longer needed}, the rest of the data remains
> available to the users
> AND space is reclaimed by the O/S, so it's the best of both worlds.

That's not entirely true. Think about a SELECT which has to scan all
child tables.

Your are also adding another layer of complexity to the system.

--
Martín Marqués                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services


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