We easily support 10s of millions of writes and reads against Mongo per hour on ... | Hacker News

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		bdarfler on Nov 6, 2011 \| parent \| context \| favorite \| on: Don't use MongoDB We easily support 10s of millions of writes and reads against Mongo per hour on a very small (single digit) number of shards in the cloud (i.e. crappy disk I/O). While that is around an order of magnitude less than 30k a second I would be surprised if we couldn't scale mostly linearly by adding shards. P.S. If your stack is KV then you should use a KV store.

electic on Nov 6, 2011 [–]

"I would be surprised if we couldn't scale mostly linearly by adding shards"

MongoDB aside, why should you assume? You should test the heck out of any DB solution before using it to base your product on.

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