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في هذا الدرس

optimize cost and latency together, not separately.

الموضوعات المخطط لها

• Use cost per transaction at a target latency as the common measure.
• Options: caching, right-sizing, batching, async processing, different storage tiers, reserved capacity.
• Every latency target has a price; ask the business what it is worth.
• Measure after a change; optimizations that save little at high complexity are not worth it.