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Grab Redesigns Counter Service Storage for 50% Lower P99 Latency
Grab moves its high-volume Counter Service from a wide-column database to Aerospike, using shadow traffic, data-parity checks and gradual migration. Grab reports about 50% lower production p99 read latency, disk usage of 1 TB instead of 3 TB, and 45% to 50% lower cost per node.