________________________________________ Från: Peter J. Holzer <hjp-pgsql@xxxxxx> Skickat: den 20 augusti 2019 22:58 Till: pgsql-general@xxxxxxxxxxxxxxxxxxxx Ämne: Re: Databases and servers On 2019-08-20 10:33:17 +0000, Karl Martin Skoldebrand wrote: > I just discovered that a client has done this: > > They have two web applications A1 and A2. They have seperate hostnames/URLs. > Both have a production and a test database A1p and A1t/ A2p and A2t. > > What they've done is have both A1p and A2p on the same actual databaser server > and A1t and A2t on the same server. > > So, I'm thinking - if a bug in application A1 crashes the application and > database badly it will risk bringing down both services A1 and A2. The same > risk would be evident on a successful security breach. > > I would prefer to A1p and A2p on seperate servers, maybe keeping A1t and A2t on > the same. (This is what seems to be happening when the database servers are > being repladed). On rereading this I notice that I'm not sure what that means. If you propose replacing the two servers with three (two production, one test) or even four (two production and two test), I agree. === I was proposing replacing the two servers with three (or four). Running production on two seperate servers and possibly the tests on one (or possibly two servers). /M. ============================================================================================================================ Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html externally http://tim.techmahindra.com/tim/disclaimer.html internally within TechMahindra. ============================================================================================================================