Yeah, and the key difference is simple: The 100x engineers in Netflix just understood that file-based lookup for key-value pairs won't scale for OLAP-like workl

Yeah, and the key difference is simple: The 100x engineers in Netflix just understood that file-based lookup for key-value pairs won't scale for OLAP-like workload on time series, and of course they possessed the sheer capability of implementing the right technology from ground up.