Amazon DynamoDB SLAAWS · Databases · AWS · Databases
Promise vs reality
Downtime used against the allowance
3 d of major incidents, 821.9x the allowance5.3 min allowed in 365 days
3 major and 0 minor incidents; worst region me-central-1. 0 min degraded (not counted).
Major incident minutes per month
Allowed per month: 26 s
- Promised
- 99.999%
- Observed, 365d
- 99.178%
- Major incident time
- 3 d
- Credit on first breach
- 10%
Commitments and credits
- Standard SLAAny DynamoDB tables in the region that are not Global Tables99.99%
Monthly uptime below, credit of the bill
- Below 99.99%10%
- Below 99%25%
- Below 95%100%
- Global Tables SLAAll tables in the region are part of Global Tables for the whole month and the customer makes reasonable attempts to fail over99.999%
Monthly uptime below, credit of the bill
- Below 99.999%10%
- Below 99%25%
- Below 95%100%
Terms
- Measured
- Average of 5-minute Availability (share of requests not failing with 500/503) per AWS region
- Credit cap
- Up to 100% of the applicable DynamoDB charges (for Global Tables, including replica table charges in other regions) at the lowest tier; issued only if over $1
- Claim window
- By the end of the second billing cycle after which the incident occurred
- How to claim
- Open a case in the AWS Support Center with 'SLA Credit Request' in the subject line and request logs
Not covered
- Factors outside AWS's reasonable control
- Voluntary customer actions or inactions
- Not following DynamoDB Developer Guide best practices
- Additional recovery time due to insufficient read/write throughput
- Customer equipment, software or other technology
- AWS suspension or termination of the right to use DynamoDB
Global Tables SLA ... Less than 99.999% but equal to or greater than 99.0% 10% ... Less than 95.0% 100%
Global Tables SLA falls back to the Standard SLA if the customer does not make reasonable attempts to fail over. DynamoDB Accelerator (DAX) has a separate SLA.
Evidence: incidents, last 365 days
Other databases SLAs
ServiceDowntime vs allowed
Amazon DynamoDBAWS99.999% / 99.178%
Azure SQL DatabaseMicrosoft Azure99.995% / n/a
MongoDB Atlas (database clusters)MongoDB99.995% / 99.989%
Lakebase PostgresDatabricks99.99% / n/a
Cloud SQLGoogle Cloud99.99% / 99.927%
Managed DatabasesDigitalOcean99.95% / 100%
Elastic Cloud Hosted (formerly Elasticsearch Service)Elastic99.95% / 99.146%
Promised in the SLAObserved on the vendor's status pagePartial historyShortfall
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