On Thu, Feb 5, 2009 at 3:45 PM, Alvaro Herrera
<alvhe...@commandprompt.com> wrote:
> Right now, when autovacuum is turned on we always assume it's supposed
> to process all tables except those that have autovacuum_enabled=false.
>
> Now, sometimes it might make more sense to keep it enabled but have it
> only check for certain tables, and leave the majority of them disabled.
> For this we'd have a separate GUC parameter, as in $SUBJECT (I'm not
> wedded to the name), and have the user set autovacuum_enabled=true via
> reloptions to enable it.
>
> Opinions?

Sounds horribly confusing.  It's not very difficult to write a script
to set this value for every table in the database, if that's what you
want to do.  Having autovacuum_enabled potentially mean two different
things depending on the value of some GUC sounds like a recipe for
confusion (and no I don't like it any better if we put the global
switch somewhere other than a GUC).

...Robert

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