Game servers are never going to be anything other than "high concurrency with local state on one machine", due to their intersecting requirements of low latency, authority, high computational demands, and relative indifference to uptime.
Relevantly, CCP say the idea of EVE is "incontheivable" without Stackless Python[0], which doesn't have STM, but does go in a similar direction (co-operative multitasking) to solve the same problem.
Relevantly, CCP say the idea of EVE is "incontheivable" without Stackless Python[0], which doesn't have STM, but does go in a similar direction (co-operative multitasking) to solve the same problem.
[0] http://www.slideshare.net/Arbow/stackless-python-in-eve