“When starting with a new database, you should also be aware of its limitations to better use the database.”
In this chapter, we will list MongoDB’s limitations and the use cases where it’s not a good fit.
11.1 MongoDB Space Is Too Large (Applicable for MMAPv1)
Let’s start with the issue of disk space. MongoDB (with storage engine MMAPv1 ) space is too large; in other words, the data directory files are larger than the database’s actual data.
This is because of preallocated data files. ...