Re: MultiXactId error after upgrade to 9.3.4

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: MultiXactId error after upgrade to 9.3.4
Date: 2014-03-31 09:38:41
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers


On 2014-03-30 00:00:30 -0400, Stephen Frost wrote:
> Greetings,
> Looks like we might not be entirely out of the woods yet regarding
> MultiXactId's. After doing an upgrade from 9.2.6 to 9.3.4, we saw the
> following:
> ERROR: MultiXactId 6849409 has not been created yet -- apparent wraparound
> The table contents can be select'd out and match the pre-upgrade
> backup, but any attempt to VACUUM / VACUUM FULL / CLUSTER fails,
> unsurprisingly.

Without having looked at the code, IIRC this looks like some place
misses passing allow_old=true where it's actually required. Any chance
you can get a backtrace for the error message? I know you said somewhere
below that you'd worked around the problem, but maybe you have a copy of
the database somewhere?


Andres Freund

Andres Freund
PostgreSQL Development, 24x7 Support, Training & Services

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message Etsuro Fujita 2014-03-31 10:06:16 Re: inherit support for foreign tables
Previous Message Andres Freund 2014-03-31 09:27:13 Re: separate output dirs for test decoding pieces.