MongoDB: db.setProfilingLevel() method
db.setProfilingLevel
The db.setProfilingLevel() method is used to modify the current database profiler level used by the database profiling system to capture data about performance. The mongod writes the output of the database profiler to the system.profile collection.
Syntax:
db.setProfilingLevel(level, slowms)
Parameters:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| level | Specifies a profiling level, which is either 0 for no profiling, 1 for only slow operations, or 2 for all operations. | Required | integer |
| slowms | Sets the threshold in milliseconds for the profile to consider a query or operation to be slow. | Optional | integer |
Example: MongoDB: db.setProfilingLevel() method
db.setProfilingLevel(1);
db.setProfilingLevel(0);
db.setProfilingLevel(2);
db.setProfilingLevel(2,1);
Output:
> db.setProfilingLevel(1);
{ "was" : 0, "slowms" : 100, "ok" : 1 }
> db.setProfilingLevel(0);
{ "was" : 1, "slowms" : 100, "ok" : 1 }
> db.setProfilingLevel(2);
{ "was" : 0, "slowms" : 100, "ok" : 1 }
> db.setProfilingLevel(2,1);
{ "was" : 2, "slowms" : 100, "ok" : 1 }
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