Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VoD1m-0004S6-PI for pgsql-hackers@arkaria.postgresql.org; Wed, 04 Dec 2013 14:02:11 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1VoD1m-0008TW-8K for pgsql-hackers@arkaria.postgresql.org; Wed, 04 Dec 2013 14:02:10 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VoD1k-0008RR-18 for pgsql-hackers@postgresql.org; Wed, 04 Dec 2013 14:02:08 +0000 Received: from moutng.kundenserver.de ([212.227.17.8]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VoD1d-0007IQ-G2 for pgsql-hackers@postgresql.org; Wed, 04 Dec 2013 14:02:07 +0000 Received: from anarazel.de (p5DDC5FC6.dip0.t-ipconnect.de [93.220.95.198]) by mrelayeu.kundenserver.de (node=mrbap2) with ESMTP (Nemesis) id 0LejD4-1VFeYo2PMM-00qg4C; Wed, 04 Dec 2013 15:02:00 +0100 Received: by anarazel.de (Postfix, from userid 1000) id C5F8F1019EF; Wed, 4 Dec 2013 15:01:59 +0100 (CET) Date: Wed, 4 Dec 2013 15:01:59 +0100 From: Andres Freund To: Simon Riggs Cc: =?iso-8859-1?Q?Fabr=EDzio?= Mello , Pgsql Hackers Subject: Re: Time-Delayed Standbys Message-ID: <20131204140159.GL24801@awork2.anarazel.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Provags-ID: V02:K0:Q6Qb4PJQwDrxmE1rnPXKVmOGe4uBNA5Znpe50sOjv4v woN8spfvMpkKcgesjMYInHI1dY8z60u9Z1YSS8p1ahpdmqKlVe Pm3nIwMHnFjnedLPb2613xlvOYpIq6wQ4+gy83y8me/bvu0Vn+ VTPzwxnvCV6YiiUaTYGSrDCCY2AKdp4B5Gh+o08e+K1qVC7MXM b2NV5WWwTkZgtCATuSNe7oehvRwFPSJyOY2gs0vw6mnfcakY+C vRtnHFNKrzaQfJCMP7HtAIsswjjyrQQfHB2WBEcXmtWptbrMc3 4YBC4c6vZBftwJyWfSmnomiyGmzB/HQxh5NvW2PKG7nrRFBiez hgZt7MArsKtTaG6ro3nyBZK9bLPx6yKAyfeSoZ6lo 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 Hi, On 2013-12-03 19:33:16 +0000, Simon Riggs wrote: > > - compute recoveryUntilDelayTime in XLOG_XACT_COMMIT and > > XLOG_XACT_COMMIT_COMPACT checks > > Why just those? Why not aborts and restore points also? What would the advantage of waiting on anything but commits be? If it's not a commit, the action won't change the state of the database (yesyes, there are exceptions, but those don't have a timestamp)... Greetings, Andres Freund -- Andres Freund 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