When you think about how best to ensure the high availability (HA) of your applications and data, you need to think about more than just the speed with which you can failover to a standby system if your database suddenly fails. Yes, you should be prepared for full failover if a catastrophe strikes your data center, but full failover is a big hammer to bring down if the “failure” of your database is really something as slight as a stalled process.
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