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Legacy mongo Shell

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Native Methods in the Legacy Shell

setVerboseShell()

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MongoDB 5.0 is end of life as of October 2024. This version of the documentation is no longer supported. To upgrade your 5.0 deployment, see the MongoDB 6.0 upgrade procedures.

Note

The native method listed here is for the legacy mongo shell.

To use native methods in mongosh, see Native Methods in mongosh.

setVerboseShell()

The setVerboseShell() method configures mongosh to print the duration of each operation.

setVerboseShell() has the form:

setVerboseShell(true)

setVerboseShell() takes one boolean parameter. Specify true or leave the parameter blank to activate the verbose shell. Specify false to deactivate.

Example

The following example demonstrates the behavior of the verbose shell:

From mongosh, set verbose shell to true:
```
setVerboseShell(true)
```
With verbose shell set to true, run db.collection.aggregate():
```
db.restaurants.aggregate(
   [
      { $match: { "borough": "Queens", "cuisine": "Brazilian" } },
      { $group: { "_id": "$address.zipcode" , "count": { $sum: 1 } } }
   ]
);
```
In addition to returning the results of the operation, mongosh now displays information about the duration of the operation:
```
{ "_id" : "11377", "count" : 1 }
{ "_id" : "11368", "count" : 1 }
{ "_id" : "11101", "count" : 2 }
{ "_id" : "11106", "count" : 3 }
{ "_id" : "11103", "count" : 1 }
Fetched 5 record(s) in 0ms
```

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