The Mongo Databases Layer

With the help of the tests mapped to this layer, the space utilization of the databases on the MongoDB server can be monitored and space constraint (if any) proactively detected. You can identify the databases that are growing alarmingly in size, and can also inpoint the collections in those databases that are contributing to its abnormal growth. You can also spot the databases that are taking too much time to perform specific operations and can even identify the collections in those databases where those operations are bottlenecked.

Figure 4 : The tests mapped to the Mongo Databases layer