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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: David M <sircement@hotmail.com>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: MultiXactId xxxxxxxxx has not been created yet -- apparent wraparound
Date: Tue, 14 Jun 2016 13:31:50 -0400
Message-ID: <20160614173150.GA443784@alvherre.pgsql> (raw)
In-Reply-To: <SG2PR06MB0760098A111C88E31BD4D96FB3540@SG2PR06MB0760.apcprd06.prod.outlook.com>
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David M wrote:

> 4) What is the best course of action from here to fix the tables that we are having issues with ? (have already experimented with 'SELECT * FROM tablename FOR UPDATE' in a scratch system successfully allowing us to vacuum freeze the table)

This is your best bet.  Using SELECT * FROM tablename FOR KEY SHARE
would likely have less impact in the concurrency of the system.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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