| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Autovacuum and OldestXmin |
| Date: | 2007-11-22 18:51:58 |
| Message-ID: | 1195757518.4246.255.camel@ebony.site |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, 2007-11-22 at 15:20 -0300, Alvaro Herrera wrote:
> Simon Riggs wrote:
> > I notice that slony records the oldestxmin that was running when it last
> > ran a VACUUM on its tables. This allows slony to avoid running a VACUUM
> > when it would be clearly pointless to do so.
> >
> > AFAICS autovacuum does not do this, or did I miss that?
>
> Hmm, I think it's just because nobody suggested it and I didn't came up
> with the idea.
OK, well, me neither :-(
...and I never thought to look at slony before now.
--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com
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