
High availability
Postgres FM
How to Avoid Downtime in HA
So HA is about uptime. uptime is opposite to downtime. And remember, we can distinguish infrastructure, DBA and application DBA. For example, for me primary key integer 4, when we know we will have a lot of rows, it's also definitely related to HA. Sometimes everything is going down because of this simple mistake, which is easy to do because it's default behavior. If you don't do anything, at some point you will have it. So I prefer to care about both worlds and consider, include the application stuff to the set of measures to prevent downtime.
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