Re: MultiXactId Error in Autovacuum

From: Karl Hafner <karl(at)scoreloop(dot)com>
To: Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>
Cc: Strahinja Kustudic <strahinjak(at)nordeus(dot)com>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: MultiXactId Error in Autovacuum
Date: 2013-11-20 14:20:48
Message-ID: CA+MJ4cQgKy6q0AQXrT_+DbyYZxoJ12ci51wLrid2FFo=9XfdLg@mail.gmail.com
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> Well, probably you are right, because PostgreSQL would shutdown
> before a wraparound happens, and you would have noticed that.

> I don't know how it happened, but your database has suffered
> corruption. Any chance you can restore from a backup?
> Can you still "SELECT *" from the table that has the problem?
>

I cannot run a full SELECT * on that table. It stops after a few minutes
with the same error.
I am currently testing different things on a DB created from a backup like
exporting per month/per day …
but I am running into this error again and again.
Running a VACUUM --FULL gives me: WARNING: concurrent delete in progress
within table "the_bad_table" … then it also breaks.

BR,
Karl

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