| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, andrew(at)supernews(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Bug: Unreferenced temp tables disables vacuum to update xid |
| Date: | 2008-01-08 02:28:21 |
| Message-ID: | 20080108022821.GD1828@alvh.no-ip.org |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Joshua D. Drake wrote:
> Alvaro Herrera wrote:
>> Hmm ... that would be strange. Off-the-cuff idea: we introduced code to
>> advance relfrozenxid in CLUSTER, TRUNCATE and table-rewriting forms of
>> ALTER TABLE. Perhaps the problem is that we're neglecting to update it
>> for the toast table there. AFAIR I analyzed the cases and they were all
>> handled, but perhaps I forgot something.
>
> Just to throw another variable into the mix. This machine was a PITR slave
> that was pushed into production about two weeks ago.
Ah, right, I bet we have a smoking gun here.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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