A friend of mine wrote this a few months back: http://blog.engineering.kiip.me/post/20988881092/a-year-with-mongodb http://blog.engineering.kiip.me/post/209888

A friend of mine wrote this a few months back: http://blog.engineering.kiip.me/post/20988881092/a-year-with-mongodb http://blog.engineering.kiip.me/post/20988881092/a-year-with... Almost all of it is still valid. "To be fair, the global write lock is now JUST a DB level write lock. Living in the future guys."