Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WaBog-0004rL-5e for pgsql-hackers@arkaria.postgresql.org; Tue, 15 Apr 2014 22:26:58 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1WaBof-0004Iv-Hw for pgsql-hackers@arkaria.postgresql.org; Tue, 15 Apr 2014 22:26:57 +0000 Received: from makus.postgresql.org ([2001:4800:7903:4::125]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WaBod-0004Ga-LH for pgsql-hackers@postgresql.org; Tue, 15 Apr 2014 22:26:55 +0000 Received: from smtp.01.com ([199.36.142.181]) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WaBoa-00053L-Mz for pgsql-hackers@postgresql.org; Tue, 15 Apr 2014 22:26:54 +0000 Received: from localhost (localhost [127.0.0.1]) by smtp-out-1.01.com (Postfix) with ESMTP id 1622A2968FA for ; Tue, 15 Apr 2014 17:26:52 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-1.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-1.01.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NP3AgZWuzd7X for ; Tue, 15 Apr 2014 17:26:52 -0500 (CDT) Received: from smtp.01.com (localhost [127.0.0.1]) by smtp-out-1.01.com (Postfix) with ESMTP id EC9842968FC for ; Tue, 15 Apr 2014 17:26:51 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-1.01.com (Postfix) with ESMTP id DF9012968FB for ; Tue, 15 Apr 2014 17:26:51 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-1.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-1.01.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id vRZNafbTdUT5 for ; Tue, 15 Apr 2014 17:26:51 -0500 (CDT) Received: from [172.47.23.102] (50-0-190-100.dsl.dynamic.sonic.net [50.0.190.100]) by smtp-out-1.01.com (Postfix) with ESMTPSA id 712EA2968FA for ; Tue, 15 Apr 2014 17:26:51 -0500 (CDT) Message-ID: <534DB22A.2040909@agliodbs.com> Date: Tue, 15 Apr 2014 15:26:50 -0700 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: pgsql-hackers@postgresql.org Subject: Re: Need Multixact Freezing Docs References: <534DA3D1.2010000@agliodbs.com> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org On 04/15/2014 02:25 PM, Josh Berkus wrote: > Hackers, > > We need documentation on how users should intelligently set the > multixact freeze settings. I'm happy to write the actual text, but I > definitely don't have any idea how to set these myself. Under what > circumstances should they be different from freeze_max_age? How? > Also: how do I check the multixact age of a table? There doesn't seem to be any data for this ... -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers