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11-07-2025 03:19 AM
For Databricks Apps on AWS, the exact EC2 instance types used for clusters such as a Medium cluster are not publicly and explicitly documented
Common instance types used in medium workloads might be similar to m5 or r5 families in AWS (e.g., m5.xlarge or r5.xlarge), which offer 4 vCPUs per instance, and clusters would have multiple instances to meet the DBU usage
AWS pricing calculator for EC2: https://aws.amazon.com/pricing/
Simulation :
| Cost Component | Units Used | Rate per Unit | Total Cost (USD) | Notes |
| Databricks DBU usage | 0.5 DBU/hour × 10 hours = 5 DBUs | $75 / DBU | $375 | Premium plan DBU charges for Databricks Apps on AWS |
| AWS EC2 compute hours | 4 instances × 10 hours = 40 instance-hours | $0.12 / instance-hour* | $4.80 | Example: using m5.xlarge (4 vCPUs) or r5.xlarge instances at approx. $0.10-$0.15/hour |
| AWS EBS storage | 1 TB (1000 GB) × $0.10/GB-month (prorated for 10 hours) | $0.0033 / GB-hour | $2.40 (approx.) | Prorated for usage duration (typical EBS SSD pricing) |
| AWS networking | Estimated 100 GB data transfer | $0.09 / GB | $9 | Approximate outbound transfer cost |
| Total Estimated Cost | $391.20 | Combined Databricks DBU and AWS infrastructure costs |
