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From: John Levine <johnl@taugh.com>
Newsgroups: comp.arch
Subject: Re: clouds, not Byte ordering
Date: Thu, 17 Oct 2024 02:35:07 -0000 (UTC)
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According to David Brown  <david.brown@hesbynett.no>:
>Setting up a database server along with a couple of read-only 
>replications is harder.  Adding a writeable failover secondary is harder 
>still.  Making sure that everything works /perfectly/ when the primary 
>goes down for maintenance, and that everything is consistent afterwards, 
>is even harder.  Being sure it still all works even while the different 
>parts have different versions during updates typically means you have to 
>duplicate the whole thing so you can do test runs.  And if the database 
>server is not open source, your license costs will be absurd, compared 
>to what you actually need to provide the service - usually just one 
>server instance.
>
>Clouds do nothing to help any of that.

AWS provides a database service that does most of that. You can spin
up databases, read-only mirrors, failover from one region to another,
staging environments to test upgrades. They offer MySQL and
PostgreSQL, as well as Oracle and DB2.

It's still a fair amount of work, but way less than doing it all yourself.

-- 
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly