Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XN2Gp-0001FF-Et for pgsql-hackers@arkaria.postgresql.org; Thu, 28 Aug 2014 16:09:55 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1XN2Go-000353-V2 for pgsql-hackers@arkaria.postgresql.org; Thu, 28 Aug 2014 16:09:54 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1XN2Gn-00034v-JH for pgsql-hackers@postgresql.org; Thu, 28 Aug 2014 16:09:53 +0000 Received: from smtprelay0062.b.hostedemail.com ([64.98.42.62] helo=smtprelay.b.hostedemail.com) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XN2Gj-0007Dq-9Z for pgsql-hackers@postgresql.org; Thu, 28 Aug 2014 16:09:52 +0000 Received: from filter.hostedemail.com (b-bigip1 [10.5.19.254]) by smtprelay05.b.hostedemail.com (Postfix) with ESMTP id 3236C32AEF1; Thu, 28 Aug 2014 16:09:48 +0000 (UTC) X-Session-Marker: 616C76686572726540616C76682E6E6F2D69702E6F7267 X-Spam-Summary: 50, 0, 0, , d41d8cd98f00b204, alvherre@alvh.no-ip.org, :::, RULES_HIT:41:355:379:599:965:967:973:988:989:1260:1277:1311:1312:1313:1314:1345:1359:1437:1515:1516:1518:1519:1534:1539:1593:1594:1595:1596:1711:1730:1747:1777:1792:2393:2525:2560:2563:2682:2685:2828:2859:2901:2912:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3865:3866:3867:3870:3872:3873:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4390:4605:4659:5007:6261:9025:9036:9121:10004:10400:10848:11232:11256:11257:11658:11914:12296:12517:12519:12740:13069:13311:13357:13894:13895:21080, 0, RBL:none, CacheIP:none, Bayesian:0.5, 0.5, 0.5, Netcheck:none, DomainCache:0, MSF:not bulk, SPF:fn, MSBL:0, DNSBL:none, Custom_rules:0:0:0 X-HE-Tag: fuel63_1b46f2272f039 X-Filterd-Recvd-Size: 2174 Received: from eldon.alvh.no-ip.org (pc-65-79-161-190.cm.vtr.net [190.161.79.65]) (Authenticated sender: alvherre@alvh.no-ip.org) by omf08.b.hostedemail.com (Postfix) with ESMTPA; Thu, 28 Aug 2014 16:09:47 +0000 (UTC) Received: by eldon.alvh.no-ip.org (Postfix, from userid 1000) id D6F551FCB; Thu, 28 Aug 2014 12:09:45 -0400 (CLT) Date: Thu, 28 Aug 2014 12:09:45 -0400 From: Alvaro Herrera To: Josh Berkus Cc: pgsql-hackers@postgresql.org Subject: Re: Need Multixact Freezing Docs Message-ID: <20140828160945.GQ7046@eldon.alvh.no-ip.org> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <534EEA8E.5070407@agliodbs.com> User-Agent: Mutt/1.5.21 (2010-09-15) 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 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. Ping? -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers