Amazon DynamoDB reservations
If you can predict your need for Amazon DynamoDB read-and-write throughput, reserved capacity offers significant savings over the normal price of DynamoDB provisioned throughput capacity. You pay a one-time upfront fee and commit to paying for a minimum usage level at specific hourly rates for the duration of the reserved capacity term. Any throughput you provision in excess of your reserved capacity is billed at standard rates for provisioned throughput.
Provisioned capacity mode might be best if you
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Have predictable application traffic.
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Run applications whose traffic is consistent or ramps gradually.
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Can forecast capacity requirements to control costs.
For more information, see
Pricing
for Provisioned Capacity
