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ghaymah-exam-abdelrahman-sre/q4-scalability/container-calculation.md

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Container Capacity Calculation

Given

  • Expected traffic: 15,000 requests/second
  • Capacity per container: 500 requests/second
  • Safety margin: 30%

Step 1: Calculate Minimum Containers

Minimum Containers = Total Requests ÷ Capacity per Container

15000 ÷ 500 = 30 Containers

Step 2: Add Safety Margin

30 × 30% = 9 Containers

Total Required Containers

30 + 9 = 39 Containers

Final Result

To safely handle 15,000 requests per second, the application should run 39 application containers.

The additional containers provide extra capacity during traffic spikes and improve overall reliability.