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Replication — MongoDB Manual

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A replica set in MongoDB is a group of mongod processes that maintain the same data set. Replica sets provide redundancy and high availability, and are the basis for all production deployments. This section introduces replication in MongoDB as well as the components and architecture of replica sets. The section also provides tutorials for common tasks related to replica sets. You can deploy replica sets in the following environments: MongoDB Atlas : The fully managed service for MongoDB deployments in the cloud MongoDB Enterprise: The subscription-based, self-managed version of MongoDB MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB To learn more about deploying replica sets for deployments hosted in MongoDB Atlas, see Create a Cluster . Replication provides redundancy and increases data availability. With multiple copies of data on different database servers, replication provides a level of fault tolerance against the loss of a single databas

Replication - Database Manual - MongoDB Docs Docs Menu Ask MongoDB AI Docs Home / Development Docs Home / Development Docs Home / Development Replication Copy page A replica set in MongoDB is a group of mongod processes that maintain the same data set. Replica sets provide redundancy and high availability , and are the basis for all production deployments. This section introduces replication in MongoDB and the components and architecture of replica sets. The section also provides tutorials for common tasks related to replica sets. You can deploy a replica set in the UI for deployments hosted i

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