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Commands Available in Flex and Free clusters

Note

Atlas Infinite clusters don't support some commands that Atlas Core clusters support. To learn more, see Unsupported Commands.

The following command is specific to Atlas Flex clusters and Free clusters (formerly known as M0):

atlasSize

Returns the cumulative size across all databases for the following database statistics:

{
  "totals": {
  "collections": [number-total-collections],
  "views": [number-total-views],
  "objects": [number-total-objects],
  "avgObjSize": [number-average-across-all],
  "dataSize": [number-total-dataSize],
  "storageSize": [number-total-storageSize],
  "numExtents": [number-total-numExtents],
  "indexes": [number-total-indexes],
  "indexSize": [number-total-indexSize],
  "fileSize": [number-total-fileSize],
  "numDatabases": [number-total-databases],
  "indexSize": [number-total-indexSize]
},
  "atlasSize": [number-total-data-plus-total-index-size],
  "ok": 1
}

The atlasSize field represents the combination of the total size of data and indexes in the cluster.

Example Request

db.runCommand({atlasSize:1})

Example Response

{
      "totals" : {
        "collections" : 11,
        "views" : 0,
        "objects" : NumberLong(530025),
        "avgObjSize" : 277.0923742138365,
        "dataSize" : NumberLong(532890980),
        "storageSize" : NumberLong(555319296),
        "numExtents" : NumberLong(0),
        "indexes" : 11,
        "indexSize" : NumberLong(4792320),
        "fileSize" : NumberLong(0),
        "numDatabases" : 4
      },
      "atlasSize" : NumberLong(537683300),
      "ok" : 1
}

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Unsupported Commands

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