Spoiler alert, MongoDB 2.0 kick some serious butt.
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Looks a lot like #mongodb
MongoDB clusters with 100+ nodes
A good reiteration of shard key best practices.
Decrease your stack size if your MongoDB has a lot of incoming connections.
Great summary of 10gen webinar on MongoDB on AWS.
The solution is as interesting as the problem.
We’ve noticed that too - “However in our tests it took sometimes 2 hours before the third shard started to get populated.”
