Azure Cosmos DB–Reserved Capacity

Azure Cosmos DB is a planet scale global document database which have been available for Azure Customers based on pay-as-you-go. Reserved Capacity is a new long term pre-paid billing commitment customers can get a discounted pricing. Azure Cosmos DB reserved capacity helps you save money by pre-paying for Azure Cosmos DB resources for a period of one year or three years.

  • Reserve capacity allows you to get a optimum discount for the throughput(RUs) provisioned for Cosmos DB resources.
  • For Ex: Databases and Containers (tables/collections/graphs).
  • It can significantly reduce your Cosmos DB costs and it enables you to save up to 65 percent on regular prices with one-year or three-year upfront commitment.
  • Reserved capacity provides a billing discount and does not affect the runtime state of your Cosmos DB resources.
  • It is available to all supported APIs (including MongoDB, Cassandra, SQL, Gremlin and Azure Tables) and all regions worldwide.
  • Scope of Reservation:

    A reservation is scoped to a single subscription or shared across all your enrolment:

    • Scoped to a Single Subscription: that means a set of cosmos db account resources such as database or containers within the selected subscription.
    • Shared/Scoped to an enrolment: Billing benefit can be shared across any subscription in the enterprise agreement or pay-as-you-go subscriptions.

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    Who can opt-in for Reserved Capacity?

    This feature is currently only applicable for enrolment (Enterprise Agreement customers) or account (Pay-as-you-go customers). Users with MSDN Subscription benefits are not applicable for the Reserved Capacity benefits.

    You can buy Azure Cosmos DB reserved capacity from the Azure portal.

    1. Sign in to the Azure portal.
    2. Select All services > Reservations > Add and Select Product Type > Cosmos DB

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    For more details review reserved capacity documentation.