I'm surprised by MongoDB's Map Reduce performance. Returning a constant from map and reduce functions takes 400 ms for 15000 docs.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I'm surprised by MongoDB's Map Reduce performance. Returning a constant from map and reduce functions takes 400 ms for 15000 docs.