Just a quick note to other would-be Diaspora-pod-runners out there (since I couldn’t seem to find any info about this anywhere):
It is my experience that a pod needs 750 mb of ram as a minimum.
This is just my personal experience of what keeps my pod from crashing. It is very likely that I’m just a bad pod maintainer, and that you can in fact run a pod on much less.
Also note that of course the number of users, and their usage patterns will be reflected in the hardware requirements.
If this blog-post makes no sense to you what so ever, here is a cute animal: