> * a database that reliably preserves all of your customers' data when any one of your servers goes down (this unfortunately excludes many databases and makes

> * a database that reliably preserves all of your customers' data when any one of your servers goes down (this unfortunately excludes many databases and makes the usual "just use Postgres" a poor choice, now flame me to high heaven) What do you suggest instead? My understanding was that Postgres, when properly set up with backups and replication, is the most reliable open-source database.