Re: BUG #7634: Missing files in global/ after a lot of CREATE DATABASE / DROP DATABASE

From: Thomas Eckestad <thomas(dot)eckestad(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: BUG #7634: Missing files in global/ after a lot of CREATE DATABASE / DROP DATABASE
Date: 2012-11-02 09:58:24
Message-ID: CACOF0bzVmKQuPV9n+6b8YRVj57OmyycYBwTPbOUxd_u5UGprNw@mail.gmail.com
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2012/11/1 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>

>
> That is extremely peculiar --- AFAICS, 9.1 should never assign a
> relfilenode of 12693. (OIDs assigned by initdb don't get past about
> 11900 in that version, and OIDs assigned after normal postmaster start
> should always be above 16384.) Is it always exactly "global/12693"
> that's complained of? Could you monitor the contents of $PGDATA/global
> and see if the set of filenames present changes while you're running
> these tests?
>
> regards, tom lane
>

No, it is not always global/12693. A few days ago it was global/12589 that
got lost.

I am afraid that I can not guarantee that the example that I posted
(global/12693) was triggered with version 9.1.6. It might be for 9.0.x or
9.1.x, if that makes a difference. I am sure though that global/12589 was
triggered using 9.1.5 (upgraded to 9.1.6 just a few days ago).

Sorry for the version confusion.

I will monitor global/ and try to trigger the bug and get back to you next
week.

Regards,
Thomas

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