Hello @sakuraime ,
Event Hubs capture is charged whenever it is enabled. You will not charged if this feature is disabled.
How is Event Hubs capture billed?
Event Hubs capture is enabled when any event hub in the namespace has the capture feature enabled. Capture is billed hourly per purchased throughput unit. As the throughput unit count is increased or decreased, Event Hubs capture billing will reflect these changes in whole hour increments.
Event Hubs Capture will be charged at an hourly rate of $0.10/hr.
What are throughput units and how are they billed?
Throughput units are explicitly selected by the customer, either through the Azure portal or Event Hub management APIs. Throughput units apply to all event hubs in a namespace, and each throughput unit entitles the namespace to the following capabilities:
- Up to 1 MB per second of ingress events (= events send into an event hub), but no more than 1,000 ingress events, management operations or control API calls per second.
- Up to 2 MB per second of egress events (= events consumed from an event hub).
- Up to 84 GB of event storage (sufficient for the default 24-hour retention period).
Throughput units are billed hourly, based on the maximum number of units selected during this hour.
For more details, refer Azure Event Hubs -faq section.
Hope this helps. Do let us know if you any further queries.
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