Re: Suggestion; "WITH VACUUM" option

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От Marc G. Fournier
Тема Re: Suggestion; "WITH VACUUM" option
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Msg-id 20021216181433.T15947-100000@hub.org
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Ответ на Suggestion; "WITH VACUUM" option  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Suggestion; "WITH VACUUM" option  (Josh Berkus <josh@agliodbs.com>)
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On Mon, 16 Dec 2002, Josh Berkus wrote:

> Tom, Folks:
>
> Joe and I were discussing your recent discussion about the costs of VACUUM and
> tuple maintainence, and I had an interesting idea.
>
> How hard would it be to add a "WITH (VACUUM)" option to UPDATE and DELETE
> queries?   This option would cause the regular vacuum activity -- purging the
> dead tuple and its index references -- to be done immediately, as part of the
> statement, instead of being deferred.
>
> I agree that we don't want immediate tuple maintainence, most of the time.
> However, a couple of my clients would really like to have a few queries do
> their vacuum immediately, and are currently getting around that by vacuuming
> every 5 mintutes.
>
> Easy?  Hard?  Insane?  What do you think?

Just curious, but wouldn't it be just as simple to issue a VACUUM call
right after the UPDATE/DELETE?


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