Shadow traffic
AssessTechniques
Duplicated production requests sent to a new system for testing without affecting users.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by research breakthroughs, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 7InfoQ·10/7/2026breakthroughGrab Cuts Counter Service P99 Latency by 50% with Aerospike Redesign
Grab migrated its high-volume Counter Service from a wide-column database to Aerospike, using storage abstraction, shadow traffic, parity checks, and gradual traffic cutover. The redesign changed the data model to map-based records and delivered about 50% lower p99 read latency, much lower disk usage, and 45% to 50% lower cost per node.