How do I monitor my MongoDB connections?

How do I monitor my MongoDB connections?

MongoDB Performance Monitoring Tools

1. mongostat Command. mongostat is used to get a quick overview of the status of your MongoDB server instance.
2. mongotop Command. mongotop tracks the amount of time a MongoDB instance spends reading and writing data per collection.
3. rs. status() Command.
4. db.
5. dbStats Command.
6. collStats Command.

What is Opcounters?

The opcounters values, for CRUD operations, will be the number of operations that happen when the node is the PRIMARY node for the replica set. The opcountersRepl values, for CRUD operations, will be the number of replicated commands that were run when the node was acting as a SECONDARY member.

Is there way to control access to MongoDB?

MongoDB provides a number of built-in roles that administrators can use to control access to a MongoDB system. However, if these roles cannot describe the desired set of privileges, you can create new roles in a particular database.

Which is the read role in MongoDB cluster?

For example, the following operation grants the reportsUser user the read role on the accounts database: For sharded clusters, the changes to the user are instant on the mongos on which the command runs. However, for other mongos instances in the cluster, the user cache may wait up to 10 minutes to refresh.

Where is the user information stored in MongoDB?

For users created in MongoDB, MongoDB stores all user information, including name, password, and the user’s authentication database, in the system.users collection in the admin database.

How to create user defined roles in MongoDB?

Create a User-Defined Role¶. Roles grant users access to MongoDB resources. MongoDB provides a number of built-in roles that administrators can use to control access to a MongoDB system. However, if these roles cannot describe the desired set of privileges, you can create new roles in a particular database.