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Från: Peter J. Holzer <hjp-pgsql@hjp.at>
Skickat: den 20 augusti 2019 22:58
Till: pgsql-general@lists.postgresql.org
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
thetests on one (or possibly two servers).
/M.
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