Date: Thu, 9 Oct 2014 10:02:40 -0700 (PDT)
From: jim_yates <pg@wg5jim.net>
To: pgsql-sql@postgresql.org
Message-ID: <1412874160409-5822399.post@n5.nabble.com>
In-Reply-To: <20141009151229.GD7043@eldon.alvh.no-ip.org>
References: <1412791213607-5822248.post@n5.nabble.com>
 <20141008185538.GY7043@eldon.alvh.no-ip.org>
 <1412797415000-5822268.post@n5.nabble.com>
 <20141008205416.GZ7043@eldon.alvh.no-ip.org>
 <1412863620263-5822376.post@n5.nabble.com> <5436A34C.8090306@aklaver.com>
 <20141009151229.GD7043@eldon.alvh.no-ip.org>
Subject: Re: could not access status of transaction pg_multixact issue
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Alvaro Herrera-9 wrote
> 
> There must have been some confusion somewhere; certainly you shouldn't
> be subtracting anything.  The subtraction was just suggested as a way to
> determine the age.  The value to update pg_database.datminmxid to is the
> oldest one of all the relminmxid in pg_class; so if you have 8376 as the
> minimum value there, that's what you set pg_database.datminmxid to.  Not
> the 21973 value.
> 
>  update pg_database set datminmxid='8376' where datname='production-copy';

Ok, I'm still confused.  Is the value to use the Max value of relminmxid
from pg_class or the value of NextMultiXactId from pg_controldump?   Or are
these the same thing?


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