تحديد الأحجام وافتراضات التسعير

في هذا الدرس

size the solution and state pricing assumptions explicitly.

الموضوعات المخطط لها

• Start from load: orders per day, peak per second, data volumes, users, page views.
• Translate load into resources: instances or tasks, database size and I/O, storage, data transfer.
• List pricing assumptions: region, on-demand versus committed use, discounts, currency, date of price list.
• Mark each number as measured, estimated, or guessed, with a confidence level.
• Keep assumptions in one place so they can be changed and the model recalculated.