Get the storage size of a database in MongoDB?

To get the storage size of a database in MongoDB, use the stats() method.

At first, check the current database with the help of the following query −

> db;

The following is the output −

test

Here is the query to get the storage size of the database in MongoDB −

> db.stats()

The following is the output displaying the stats including the storage size −

The following is the output −

{    "db" : "test",    "collections" : 114,    "views" : 0,    "objects" : 391,    "avgObjSize" : 83.0076726342711,    "dataSize" : 32456,    "storageSize" : 3211264,    "numExtents" : 0,    "indexes" : 120,    "indexSize" : 2494464,    "fsUsedSize" : 126172377088,    "fsTotalSize" : 199229435904,    "ok" : 1 }