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Re: Autovacuum and XID wraparound

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: David Fetter <david(at)fetter(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Docs <pgsql-docs(at)postgresql(dot)org>, PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Autovacuum and XID wraparound
Date: 2007-05-14 20:22:23
Message-ID: 200705142022.l4EKMNq20973@momjian.us (view raw or flat)
Thread:
Lists: pgsql-docspgsql-patches
David Fetter wrote:
> On Sun, May 13, 2007 at 10:06:40PM -0400, Tom Lane wrote:
> > David Fetter <david(at)fetter(dot)org> writes:
> > > Per Neil Conway, here's some doc patches re: the autovacuum
> > > daemon's behavior.  Should this be back-patched to 8.2x?
> > 
> > This fact is already documented in at least three places; do we
> > really need two more?
> 
> Yes.
> 
> > The proposed addition to postgresql.conf seems particularly
> > over-the-top, since there is no entry in that file that even
> > pretends to offer a complete description of the associated behavior.
> 
> I think that a boolean that doesn't do what you expect booleans to do,
> i.e. turn the thing all the way off, is worth a mention.

I agree with Tom.  I don't think the current behavior is a major issue
for users for it to be mentioned more than it already is, though if you
want to move one of those, we can do that.

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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