Re: [ADMIN] reclaiming disk space after major updates

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От Dan Harris
Тема Re: [ADMIN] reclaiming disk space after major updates
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Msg-id 466967C4.70606@drivefaster.net
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Ответы Re: [ADMIN] reclaiming disk space after major updates  (Andrew Sullivan <ajs@crankycanuck.ca>)
Список pgsql-performance
Andrew Sullivan wrote:
> On Thu, Jun 07, 2007 at 03:26:56PM -0600, Dan Harris wrote:
>> They don't always have to be in a single transaction, that's a good idea to
>> break it up and vacuum in between, I'll consider that.  Thanks
>
> If you can do it this way, it helps _a lot_.  I've had to do this
> sort of thing, and breaking into groups of a couple thousand or so
> really made the difference.
>
> A
>

One more point in my original post.. For my own education, why does VACUUM FULL
prevent reads to a table when running (I'm sure there's a good reason)?  I can
certainly understand blocking writes, but if I could still read from it, I'd
have no problems at all!

-Dan

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