PostgreSQL 12 High Availability Cookbook - Third Edition

Getting ready

This is one of the times when the hardware spreadsheet will show its true usefulness. As long as we have been keeping track of our counts through each section, this segment of server selection will be much simpler. By this point, our spreadsheet should look something like the following screenshot:

We don't care about the total cost for each part yet. It might be a good idea to create a separate tab or copy of the spreadsheet for each vendor we want to consider. This way, we can do some comparison shopping. Also, remember that the counts are inflated by at least one replacement in case of failure. So we want to look for two 10-core ...