Of course, I did think about Redis/Mongo/etc. But the project (a) had deadlines, so I thought I'd go experimental on only half the software stack, (b) seemed ve

Of course, I did think about Redis/Mongo/etc. But the project (a) had deadlines, so I thought I'd go experimental on only half the software stack, (b) seemed very nicely suited to relational data modelling, and (c) allowed me to indulge my infinite love and respect for Postgres (stable! solid! powerful! frugal! fast! free!). Also, I didn't find a lot of help online with how to do this modus operandi rethink. (Again, no whining implied).