Why was this even posted?
Looking for help reducing it?
Complaining about the amount spent?
Looking for a pat on the back?
I saw a talk at Ruby/RailsConf about the work spent building and maintaining rubygems.org. It smelled a bit martyrish. "Look at the thankless work we perform behind the scenes".
Well, if help is required building or operating rubygems.org, please just say so. As a seasoned Ruby developer I'd be more than happy to contribute development time, and as a daily user I'd be willing to commit financially in a small way towards operating costs. Not that that is required - given all the offers of free hosting this post received in response.
If we don't know about a problem, we can't help. Just ask if help is what you want. It's not like the Ruby community doesn't have great communication channels.