From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org |
Subject: | [Open Item] Re: Autovacuum on by default? |
Date: | 2006-08-25 16:16:33 |
Message-ID: | 20060825161633.GJ14622@alvh.no-ip.org |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> "Matthew T. O'Connor" <matthew(at)zeut(dot)net> writes:
> > Peter Eisentraut wrote:
> >> - Leave base thresholds alone (pending further analysis that might remove them
> >> altogether?)
>
> > While there is talk of removing this all together, I think it was also
> > agreed that as long as these values are there, they should be reduced.
> > I think the defaults in 8.1 are 1000/500, I think 200/100 was suggested.
>
> ISTM that if we don't want to remove the thresholds immediately,
> we should make them default to zero for a release or two and see how
> well it works.
>
> At the moment I can't find the thread that discussed removing them,
> but IIRC there were some good arguments why the thresholds should always
> be zero.
I can't find it either, but I think the bug reported here is related:
http://archives.postgresql.org/pgsql-general/2006-06/thrd2.php#00951
On the other hand, I don't think we completely resolved this, so I
proposed this be added to the "Open Items" list.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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