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Atlas lets you restore data from a Continuous Cloud Backup by specifying one of the following options:
A specific date and time to which you want to restore
A specific oplog entry from which you want to restore
DefaultRWConcernvalue on the source snapshot differs from the
DefaultRWConcernvalue on the target database deployment, Atlas overrides the value on the source snapshot with the value on the target database deployment. If there is no value configured for the
DefaultRWConcernon the target database deployment, Atlas keeps the value of
DefaultRWConcernfrom the snapshot without explicit configuration. This may differ from the default value for that MongoDB version.
This feature is only available for
M10+dedicated clusters and serverless instances.
If you are restoring from Serverless Continuous Backup, you can only use a Date & Time within the last 72 hours. Serverless instances don't support restoring from an oplog entry.
M10+dedicated clusters running MongoDB 4.2 or higher, Atlas will restore Atlas Search indexes from a Cloud Backup snapshot.
The Atlas Search index defintions captured at the snapshot time specified for the point in time restore replace any existing Atlas Search index definitions.
To optimize performance and reduce the amount of time it takes to restore, follow these principles where applicable:
Select a target cluster that isn't global or multi-cloud.
Select a multi-region cluster only if copies of the snapshot you plan to restore exist in every region of that cluster.
Select a target cluster that belongs to the same Atlas project and the same cloud provider region as the snapshot.
Select a cluster tier with the same storage capacity as the capacity of the original volume used by the source cluster.
If the target cluster runs on AWS with configured IOPS, select the configured IOPS to fall within the configured range.
Select a cluster that is not configured to use NVMe storage. NVMe storage degrades restore performance.
To start a restore job, you must have
access or higher to the project.
To watch a backup restore job until it completes, you must have
Project Read Only access or higher to the project.
Atlas deletes all existing data on the target database deployment prior to the restore. Depending on the type of restore taking place, the target cluster may be unavailable for the duration of the restore.
After the restore completes, Atlas takes a snapshot of the restored cluster. This snapshot has a retention period equal to the cluster's continuous cloud backup window.