Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1Tdpp8-0002fH-17 for pgsql-admin@arkaria.postgresql.org; Wed, 28 Nov 2012 22:09:42 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1Tdpp7-0006y6-2w for pgsql-admin@arkaria.postgresql.org; Wed, 28 Nov 2012 22:09:41 +0000 Received: from makus.postgresql.org ([98.129.198.125]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1Tdpp6-0006xj-03 for pgsql-admin@postgresql.org; Wed, 28 Nov 2012 22:09:40 +0000 Received: from cerberus.pinpointresearch.com ([66.7.238.130] helo=polaris.pinpointresearch.com) by makus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1Tdpp4-0002Rb-Pt for pgsql-admin@postgresql.org; Wed, 28 Nov 2012 22:09:39 +0000 Received: from [192.168.1.179] (betelgeuse.pinpointresearch.com [192.168.1.179]) by polaris.pinpointresearch.com (Postfix) with ESMTP id C7ED1E00EC84; Wed, 28 Nov 2012 14:09:37 -0800 (PST) Message-ID: <50B68BA1.9020706@pinpointresearch.com> Date: Wed, 28 Nov 2012 14:09:37 -0800 From: Steve Crawford User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121028 Thunderbird/16.0.2 MIME-Version: 1.0 To: Shams Khan CC: pgsql-admin@postgresql.org Subject: Re: Fwd: Monitoring Replication on Master/Slave Postgres(9.1) References: <50B65FC2.3030508@pinpointresearch.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -2.3 (--) 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 11/28/2012 11:24 AM, Shams Khan wrote: > Thanks for the response Steve...It was really helpful: > > Below are some doubts I wanted to clarify..please read and suggest. > Can we also check if replication was broken earlier...somehow due to > power failure of some other reasons in past...The reason I am asking > is I am getting some discrepancies in data between master and > slave...? I want to know the reason of it... > What sort of discrepancies? I am unaware of situations in a properly configured and functioning system where the standby could be anything other than lagging the master but I didn't dig through release notes to see if there were any related bugs. Cheers, Steve -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin