عرض عملي: اختيار عدد الأقسام لثلاث سنوات من النمو

خطوة بخطوة

1. Forecast partner feed volume for three years with a growth factor.
2. Measure per-partition and per-consumer throughput from a test.
3. Compute partitions needed and add headroom for catch-up.
4. Planned mistake: size only for today's peak; fix by sizing for year three plus a catch-up factor.
5. Document the key choice, ordering guarantee, and the cost of over-partitioning.

Prepares SRB-006-LAB1.