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by noir_lord
4752 days ago
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Best figures I could find in a quick search was http://news.cnet.com/8301-1023_3-57566550-93/facebook-by-the... 618 million Daily Active Users. 4000 shards, 9000 memcache instances. Simple math, 618m/4000 is 154000 users per database (this is a horrible metric but illustrates my point) and 618m/9000 = 68666 and a bit users per memcache intances. I hardly think this is a "fate worse than death", When you have a billion users with 600,000,000 DAU's whatever technology you use is going to have snags as you are pushing the envelope in just about every way. This article reads like a Microsoft Whitepaper about why only a Microsoft technology running on a Microsoft platform will solve all your problems. |
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