Grab Redesigns Counter Service Storage for 50% Lower P99 Latency
Grab migrated its high-volume Counter Service from a wide column database to Aerospike using storage abstraction, shadow traffic, data parity validation, and gradual traffic migration. The redesigned data model consolidated time buckets into map-based records. Grab reports about 50% lower production p99 read latency, 1 TB versus 3 TB of disk usage, and 45% to 50% lower cost per node. By Leela…
We haven't written up this one. InfoQ has the full story — the link below goes straight to it.