MongoDB: db.collection.totalSize() method

db.collection.totalSize

The db.collection.totalSize() method is used to reports the total size of a collection, including the size of all documents and all indexes on a collection.

Syntax:

db.collection.totalSize()

Returns:

The total size in bytes of the data in the collection plus the size of every index on the collection.

Sample document in the restaurants collection:

{
  "address": {
     "building": "1007",
     "coord": [ -73.856077, 40.848447 ],
     "street": "Morris Park Ave",
     "zipcode": "10462"
  },
  "borough": "Bronx",
  "cuisine": "Bakery",
  "grades": [
     { "date": { "$date": 1393804800000 }, "grade": "A", "score": 2 },
     { "date": { "$date": 1378857600000 }, "grade": "A", "score": 6 },
     { "date": { "$date": 1358985600000 }, "grade": "A", "score": 10 },
     { "date": { "$date": 1322006400000 }, "grade": "A", "score": 9 },
     { "date": { "$date": 1299715200000 }, "grade": "B", "score": 14 }
  ],
  "name": "Morris Park Bake Shop",
  "restaurant_id": "30075445"
}
.....

Example: MongoDB: db.collection.totalSize() method

Following example will return the total size of collection restaurants.

db.restaurants.totalSize();

Output:

> db.restaurants.totalSize();
23341472

Retrieve the restaurants data from here

Previous: db.collection.storageSize() method
Next: db.collection. totalIndexSize() method