512mb of ram should be fine. There are some places where MediaGoblin handles file copying poorly (working on it this week, hopefully fixed by next release) which may be an issue if you are uploading videos. Otherwise, you should be fine.
Some tester 131, Claes Wallin (韋嘉誠), Efraim Flashner likes this.
If working for the next version! :D.
X11R5 at 2014-11-30T16:37:08Z in Hawthorne, Nevada
jpope, Christopher Allan Webber likes this.