Long Term Retention

Long Term Retention is priced per vCPU per month for each database instance in which it is enabled. The price depends on the RDS instance type used by your database, and may vary by region.

  • Pricing correlates to the number of vCPUs in the instance type. For example, a db.r4.xlarge has 4 vCPUs, so the monthly price in the table would be multiplied by 4.
  • For each instance in an Aurora cluster, you can decide separately whether to enable Long Term Retention.
  • Long Term Retention is metered by the hour, and the monthly price is prorated based on the number of hours the feature is in use.
  • Retention of performance data is limited to two years. Pricing does not depend on the actual amount of data stored.
  • If Long Term Retention is turned off, performance data older than 7 days is deleted.

API Requests

API Pricing Example

As an example, say you create a custom dashboard that makes calls to RDS Performance Insights' two APIs, DescribeDimensionKeys and GetResourceMetrics. The dashboard calls these two APIs every 5 seconds. That would be:

  • 2 API calls * (30 days * 24 hours * 60 minutes * 60 seconds) / (5 seconds) = 1,036,800 API calls.

The first 1M API calls are free per account, and are $0.01 for each 1,000 calls after that. Thus, in this example the cost would be:

  • ((1,036,800 - 1,000,000) / 1,000) * 0.01 = $0.37 per month

If we monitored two instances with our custom dashboard refreshing every 5 seconds, the cost would be:

  • ((2 * 1,036,800 - 1,000,000) / 1,000) * 0.01 = $10.74 per month

Additional pricing resources

TCO Calculator

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Simple Monthly Calculator

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Economics Resource Center

Additional resources for switching to AWS

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