Re: Bug: Unreferenced temp tables disables vacuum to update xid

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Darcy Buskermolen <darcyb(at)commandprompt(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Bug: Unreferenced temp tables disables vacuum to update xid
Date: 2008-01-07 18:48:58
Message-ID: 20080107104858.1bf01a70@commandprompt.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Mon, 7 Jan 2008 10:37:18 -0800
Darcy Buskermolen <darcyb(at)commandprompt(dot)com> wrote:

> > 1. I had to manually vacuum because we had already hid xidStoplimit.
> >
> > 2. Postgres has been restarted multiple times and it made zero
> > difference.
> >
> > E.g; PostgreSQL isn't cleaning up after itself and it isn't apparent
> > when it happens.
>
> After a fresh start of postgres, there should be no temp tables, so
> would a work around to this at least be at postmaster start to (for a
> lack of a better pseudo code ) DROP SCHEMA pg_temp* CASCADE; before
> coming up in interactive mode? Doing this would at least have
> allowedthe manual vacuum to do what it needed and not have caused
> confusion on the part of the user? Also it would have greatly reduced
> the total time to resolution, and not requiring hacking the backend
> to get there.
>

+1

Joshua D. Drake

- --
The PostgreSQL Company: Since 1997, http://www.commandprompt.com/
Sales/Support: +1.503.667.4564 24x7/Emergency: +1.800.492.2240
Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate
SELECT 'Training', 'Consulting' FROM vendor WHERE name = 'CMD'

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)

iD8DBQFHgnQaATb/zqfZUUQRAt1qAJ4hzeNG8fzA4l5y/luNrg3eGOz5QQCfcvtZ
xMuLPQSEbvG+AYfTRkEyLD0=
=+Lkk
-----END PGP SIGNATURE-----

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Andrew Sullivan 2008-01-07 19:08:00 Re: Dynamic Partitioning using Segment Visibility Maps
Previous Message Gregory Stark 2008-01-07 18:37:38 Re: Bug: Unreferenced temp tables disables vacuum to update xid