AWS DynamoDB Throughput Capacity

Calculating throughput capacity!

Read capacity units

  • 1 strong consistent read per second up to 4 KB item
  • 2 eventually consistent reads per second up to 4 KB item

Write capacity unit

  • 1 write per second for an item up to 1 KB in size

Example: 1000 writes per 10 seconds @ 512 bytes evenly distributed.

Solution: 1000\10 = 100, 512 bytes rounded up = 1 KB, 100 write units

Good certification exam information… 🙂

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