Re: pg_autovacuum (pg_avd version 2) - Mailing list pgsql-patches

We did, but he contacted me directly asking if it could be put in
/contrib for 7.4 so it would get some testing and usage.  Is that valid?

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Peter Eisentraut wrote:
> Did we not tend in the direction of a server-side solution?
>
> Bruce Momjian writes:
>
> > Your patch has been added to the PostgreSQL unapplied patches list at:
> >
> >     http://momjian.postgresql.org/cgi-bin/pgpatches
> >
> > I will try to apply it within the next 48 hours.
> >
> > ---------------------------------------------------------------------------
> >
> >
> > Matthew T. O'Connor wrote:
> > > I have updated my pg_autovacuum program (formerly pg_avd, the name
> > > changed as per discussion on the patches list).
> > >
> > > This version should be a good bit better.  It addresses all the issues
> > > pointed out by Neil Conway. Vacuum and Analyze are now handled
> > > separately.  It now monitors for xid wraparound.  The number of database
> > > connections and queries has been significantly reduced compared the
> > > previous version.  I have moved it from bin to contrib.  More detail on
> > > the changes are in the TODO file.
> > >
> > > I have not tested the xid wraparound code as I have to let my AthlonXP
> > > 1600 run select 1 in a tight loop for approx. two days in order to
> > > perform the required 500,000,000 xacts.
> > >
> > > Side note: in trying to test the xid wrap around code I noted that the
> > > select 1 query is nearly 30% slower with stats_row_level = true.  I
> > > guess this is another reason for a backend integrated autovacuum that
> > > not built on top of the stats system.  I know the net effect is reduced
> > > with more realistic queries but still seems like a lot.
> > >
> > > As always, any and all feedback is appreciated.
> > >
> > > Matthew T. O'Connor
> > >
> > >
> >
> > [ Attachment, skipping... ]
> >
> > >
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> >
>
> --
> Peter Eisentraut   peter_e@gmx.net
>
>
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