1. MongoDB MapReduce is much slower than pure Java processing? stackoverflow.comI wanted to count all key's of my documents (inclusive embedded ones) of a collection. First I wrote a Java client to solve this. It took less than 4 seconds to ... |
2. how to compute the average with mongodb and NumberLong stackoverflow.comI am trying to compute an average value from a collection using the mongodb java driver, like this:
|
3. How do I pass parameters to Mongodb map/reduce in Java? stackoverflow.comI have some data like this:
Where I ... |
4. MongoDB's MapReduce function in Java returns null stackoverflow.comI've some test data in my MongoDB:
|