Showing Delivery Date at 10x Scale with 1/10th Latency

Flipkart optimized delivery date calculations by decoupling Source and Vendor Capacity stores, caching source capacity in Aerospike with bit-encoded integers to reduce data size by 90%, and caching vendor capacity at the Vendor-Pincode level. These changes enabled real-time delivery date computation within 100ms latency on the Search and Browse page, achieving over 90% accuracy and supporting 10x query-per-second throughput.

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