Look into capped or TTL collections on Mongo, those are generally best for handling data churn. You can also check out the new usePowerOf2Sizes option on collec

Look into capped or TTL collections on Mongo, those are generally best for handling data churn. You can also check out the new usePowerOf2Sizes option on collections to see if that will help (TTL collections use these implicitly): http://docs.mongodb.org/manual/reference/commands/#usePowerOf2Sizes http://docs.mongodb.org/manual/reference/commands/#usePowerO...