From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, pgsql-performance(at)postgresql(dot)org, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] autovacuum: use case for indenpedent TOAST table autovac settings |
Date: | 2008-08-14 09:51:01 |
Message-ID: | 1218707461.5343.435.camel@ebony.2ndQuadrant |
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Lists: | pgsql-hackers pgsql-performance |
On Wed, 2008-08-13 at 21:30 -0400, Tom Lane wrote:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > Tom Lane wrote:
> >> It seems like we'll want to do it somehow. Perhaps the cleanest way is
> >> to incorporate toast-table settings in the reloptions of the parent
> >> table. Otherwise dump/reload is gonna be a mess.
>
> > My question is whether there is interest in actually having support for
> > this, or should we just inherit the settings from the main table. My
> > gut feeling is that this may be needed in some cases, but perhaps I'm
> > overengineering the thing.
>
> It seems reasonable to inherit the parent's settings by default, in any
> case. So you could do that now and then extend the feature later if
> there's real demand.
Yeh, I can't really see a reason why you'd want to treat toast tables
differently with regard to autovacuuming. It's one more setting to get
wrong, so no thanks.
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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