Brian

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In this approach, the primary replica receives the entire workload but the secondary replica is ready to take over at any time. This is sometimes called the hot spare or “hot standby” strategy since the spare is connected to the system, running (hot), and can be switched into operation instantly.
Brian
When is this advantageous over spreading load across all?
Chet
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Chet
Hot spares are useful for databases and hard drives where there is a single owner of writes. Spreading write load across two is a double master scenario. It sounds easier to pick one box for everythin…
Brian
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Brian
But I'm wondering why not use for reads, assuming you already have configured read-only replicas. Best I could think of are to have the db in writable mode/access so that it's ready to swap in with no…
Practice of Cloud System Administration, The: DevOps and SRE Practices for Web Services, Volume 2
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