Aws Documentdb Pricing Calculator May 2026

MongoDB compatibility. Serverless scalability. Enterprise price tags.

Use the "Detailed I/O mode." It lets you separate storageReadIOs (query results) from storageWriteIOs (index updates and document mutations). 4. The Storage Gap DocumentDB storage auto-scales up to 64TB. You tell the calculator your average used storage (e.g., 500GB). But here is the nuance: You pay for the high-water mark, not the average. aws documentdb pricing calculator

If you are guessing your I/O rate ("Uh, maybe 500 IOPS?"), the calculator is worthless—garbage in, garbage out. However, if you export CloudWatch metrics from a staging environment (e.g., DatabaseCursors , ReadIOPS , WriteIOPS ), the calculator becomes a crystal ball. MongoDB compatibility

If you are migrating from open-source MongoDB to AWS DocumentDB (a purpose-built database for JSON data), you quickly realize one truth: Performance is elastic, but costs can be rigid. Unlike Amazon S3, where pricing is simple storage arithmetic, DocumentDB pricing is a multi-dimensional chess game involving instances, IOPS, storage, and backups. Use the "Detailed I/O mode