3 ms·

Github and the thousands of Rails powered websites have no problem scaling, so i'm pretty sure neither Ruby nor Rails are a problem.

• thebluesky 14y ago
  With enough hardware you can make virtually anything scale, for a price...
  • camus 14y ago
    Well github is quite profitable , maybe that's twitter's problem... what service does twitter provides that people are willing to pay for ? None...
    • deleted 14y ago
      [deleted]
• elchief 14y ago
  500 million users is more a little more demanding than 2 million users.
• jacques_chester 14y ago
  Github is an easier problem: generate pages. Twitter has to deal with very high fanout and low cacheability.