Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Z31lH-0005sq-AT for pgsql-admin@arkaria.postgresql.org; Thu, 11 Jun 2015 12:39:11 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1Z31lG-0004ZM-QJ for pgsql-admin@arkaria.postgresql.org; Thu, 11 Jun 2015 12:39:10 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1Z31lE-0004WY-Tl for pgsql-admin@postgresql.org; Thu, 11 Jun 2015 12:39:09 +0000 Received: from momjian.us ([72.94.173.45]) by makus.postgresql.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.84) (envelope-from ) id 1Z31lB-0007v8-Qy for pgsql-admin@postgresql.org; Thu, 11 Jun 2015 12:39:07 +0000 Received: from bruce by momjian.us with local (Exim 4.72) (envelope-from ) id 1Z31lB-00032w-0M; Thu, 11 Jun 2015 08:39:05 -0400 Date: Thu, 11 Jun 2015 08:39:05 -0400 From: Bruce Momjian To: hydra Cc: pgsql-admin Subject: Re: replication consistency checking Message-ID: <20150611123904.GA19473@momjian.us> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-admin Precedence: bulk Sender: pgsql-admin-owner@postgresql.org On Thu, Jun 11, 2015 at 07:12:36AM +0200, hydra wrote: > I am entering this discussion a bit late, so maybe I am missing the point. > But SR is using xlog and there is a crc32 checksum on each xlog record. So > why would you need to compare the whole thing again when each record has > been approved during replication ? > > > > Hello Jan, > you don't have it if you don't want to. However I'd like to have the > possibility to do so and thus I was asking - is it possible? Are you guys doing > it? > > The reasons are mentioned above, but still: > - bugs can appear anywhere, > - the bug report mentioned before also states to check the data, but does not > give and hints how to do it, that's why I asked here The answer is "no". -- Bruce Momjian http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. + -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin