Backup modes

• Periodic backup mode
• Continuous backup mode (As of March 2021, currently in public preview)

※Existing CosmosDB can not be switched to “Continuous backup mode”

Backup

• Periodic backup mode
  • Default backup mode for all existing accounts
  • Backup is taken at a periodic interval (and the data is restored by creating a request with the support team)
  • Maximum retention period extends to a month
  • Minimum backup interval can be one hour
  • Details: https://docs.microsoft.com/en-us/azure/cosmos-db/configure-periodic-backup-restore
• Continuous backup mode
  • This mode can be selected while creating Cosmos DB account
  • Allows you to do restore to any point of time within the last 30 days
  • Details: https://docs.microsoft.com/en-us/azure/cosmos-db/continuous-backup-restore-introduction

When using MongoDB API

mongodump --uri="PRIMARY_CONNECTION_STRING"

Restore

• Periodic backup mode : requires creating a request with the support team to restore
• Continuous backup mode : allows self-service restore via Azure portal