Re: vacuum full 100 mins plus?

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От Josh Berkus
Тема Re: vacuum full 100 mins plus?
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Msg-id 200407141713.13472.josh@agliodbs.com
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Ответ на Re: vacuum full 100 mins plus?  (Patrick Hatcher <PHatcher@macys.com>)
Список pgsql-performance
Patrick,

> Answered my own question.  I gave up the vacuum full after 150 mins.  I was
> able to export to a file, vacuum full the empty table, and reimport in less
> than 10 mins.  I suspect the empty item pointers and the sheer number of
> removable rows was causing an issue.

Yeah.  If you've a table that's not been vacuumed in a month, it's often
faster to clean it out and import it.

I've seen vacuums take up to 3 hours in really bad cases.

--
-Josh Berkus
 Aglio Database Solutions
 San Francisco


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