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MongoDB: db.stats() method

db.stats

The db.stats() method is used to return a document that reports on the state of the current database.

Syntax:

db.stats(scale)

Parameters:

Name Description Required /
Optional		 Type
scale The scale at which to deliver results. Unless specified, this command returns all data in bytes. Optional number

Example: MongoDB: db.stats() method 

db.stats(1024);

Output:

> db.stats(1024);
{
        "db" : "test",
        "collections" : 12,
        "objects" : 50796,
        "avgObjSize" : 579.9073155366565,
        "dataSize" : 28766,
        "storageSize" : 50168,
        "numExtents" : 24,
        "indexes" : 13,
        "indexSize" : 2283,
        "fileSize" : 65536,
        "nsSizeMB" : 16,
        "dataFileVersion" : {
                "major" : 4,
                "minor" : 5
        },
        "extentFreeList" : {
                "num" : 0,
                "totalSize" : 0
        },
        "ok" : 1
}

Retrieve the restaurants data from here

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https://www.w3resource.com/mongodb/shell-methods/database/db-stats.php