Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XN2cn-0002Gv-Fd for pgsql-hackers@arkaria.postgresql.org; Thu, 28 Aug 2014 16:32:37 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1XN2cm-0002tC-UJ for pgsql-hackers@arkaria.postgresql.org; Thu, 28 Aug 2014 16:32:36 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1XN2cl-0002pl-0L for pgsql-hackers@postgresql.org; Thu, 28 Aug 2014 16:32:35 +0000 Received: from 01.zmailcloud.com ([192.198.85.104] helo=mx-out-1.zmailcloud.com) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XN2cd-0005HR-Ay for pgsql-hackers@postgresql.org; Thu, 28 Aug 2014 16:32:33 +0000 Received: from smtp.01.com (smtp.01.com [10.10.0.43]) by mx-out-1.zmailcloud.com (Postfix) with ESMTP id D27C2564C82; Thu, 28 Aug 2014 11:32:21 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id CA99360249; Thu, 28 Aug 2014 11:32:21 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id I0Qe8J76Omjy; Thu, 28 Aug 2014 11:32:21 -0500 (CDT) Received: from smtp.01.com (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id A8E1A6028D; Thu, 28 Aug 2014 11:32:21 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 8971E60289; Thu, 28 Aug 2014 11:32:21 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id w9TYEOEd67zx; Thu, 28 Aug 2014 11:32:21 -0500 (CDT) Received: from [172.47.23.104] (70-36-143-82.dsl.dynamic.sonic.net [70.36.143.82]) by smtp-out-2.01.com (Postfix) with ESMTPSA id 2924460249; Thu, 28 Aug 2014 11:32:20 -0500 (CDT) Message-ID: <53FF5991.9060302@agliodbs.com> Date: Thu, 28 Aug 2014 09:32:17 -0700 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Alvaro Herrera CC: pgsql-hackers@postgresql.org Subject: Re: Need Multixact Freezing Docs References: <534DA3D1.2010000@agliodbs.com> <534DB22A.2040909@agliodbs.com> <20140416133233.GL5822@eldon.alvh.no-ip.org> <534EC69B.9010107@agliodbs.com> <20140416203057.GQ5822@eldon.alvh.no-ip.org> <534EEA8E.5070407@agliodbs.com> <20140828160945.GQ7046@eldon.alvh.no-ip.org> In-Reply-To: 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 08/28/2014 09:09 AM, Alvaro Herrera wrote: > Josh Berkus wrote: >> On 04/16/2014 01:30 PM, Alvaro Herrera wrote: >>> Josh Berkus wrote: >>>> >>>>> You can see the current multixact value in pg_controldata output. Keep >>>>> timestamped values of that somewhere (a table?) so that you can measure >>>>> consumption rate. I don't think we provide SQL-level access to those >>>>> values. >>>> >>>> Bleh. Do we provide SQL-level access in 9.4? If not, I think that's a >>>> requirement before release. >>> >>> Yeah, good idea. Want to propose a patch? >> >> Yeah, lemme dig into this. I really think we need it for 9.4, feature >> frozen or not. Got sidetracked by JSONB. -- 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