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How Azure Databricks pre-purchase discount is applied

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You can use prepurchased Azure Databricks commit units (DBCU) at any time during the purchase term. Any Azure Databricks usage is deducted from the prepurchased DBCUs automatically.

Unlike VMs, prepurchased units don't expire on an hourly basis. You can use them at any time during the term of the purchase. To get the prepurchase discounts, you don't need to redeploy or assign a prepurchased plan to your Azure Databricks workspaces for the usage.

The prepurchase discount applies only to Azure Databricks unit (DBU) usage. Other charges such as compute, storage, and networking are charged separately.

Prepurchase discount application

Databricks pre-purchase applies to all Databricks workloads and tiers. You can think of the prepurchase as a pool of prepaid Databricks commit units.

Note

Usage is deducted from the pool, regardless of the workload or tier. Usage is deducted at various rates, depending on the workload and tier. For more information and a complete list of rates, see the Databricks pricing page.

Determine plan use

To determine your DBCU plan use, go to the Azure portal > Reservations and select the purchased Databricks plan. Your utilization to-date is shown with any remaining units. For more information about determining your reservation use, see the Reservation usage article.

How discount application shows in usage data

When the prepurchase discount applies to your Databricks usage, on-demand charges appear as zero in the usage data. For more information about reservation costs and usage, see Get Enterprise Agreement reservation costs and usage.

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