Diagnostic Commands

Diagnostic Commands

Note

For details on specific commands, including syntax and examples,click on the specific command to go to its reference page.

Name	Description
`availableQueryOptions`	Internal command that reports on the capabilities of the current MongoDB instance.
`buildInfo`	Displays statistics about the MongoDB build.
`collStats`	Reports storage utilization statics for a specified collection.
`connPoolStats`	Reports statistics on the outgoing connections from this MongoDB instance to other MongoDB instances in the deployment.
`connectionStatus`	Reports the authentication state for the current connection.
`cursorInfo`	Removed in MongoDB 3.2. Replaced with `metrics.cursor`.
`dataSize`	Returns the data size for a range of data. For internal use.
`dbHash`	Returns hash value a database and its collections.
`dbStats`	Reports storage utilization statistics for the specified database.
`diagLogging`	Removed in MongoDB 3.6. To capture, replay, and profile commands sent to your MongoDB deployment, use `mongoreplay`.
`driverOIDTest`	Internal command that converts an ObjectId to a string to support tests.
`explain`	Returns information on the execution of various operations.
`features`	Reports on features available in the current MongoDB instance.
`getCmdLineOpts`	Returns a document with the run-time arguments to the MongoDB instance and their parsed options.
`getLog`	Returns recent log messages.
`hostInfo`	Returns data that reflects the underlying host system.
`isSelf`	Internal command to support testing.
`listCommands`	Lists all database commands provided by the current `mongod` instance.
`netstat`	Internal command that reports on intra-deployment connectivity. Only available for `mongos` instances.
`ping`	Internal command that tests intra-deployment connectivity.
`profile`	Interface for the database profiler.
`serverStatus`	Returns a collection metrics on instance-wide resource utilization and status.
`shardConnPoolStats`	Reports statistics on a `mongos`’s connection pool for clientoperations against shards.
`top`	Returns raw usage statistics for each database in the `mongod` instance.
`validate`	Internal command that scans for a collection’s data and indexes for correctness.
`whatsmyuri`	Internal command that returns information on the current client.