Cost Optimization: Building a Cost-Conscious Engineering Culture
summary
Wiz identifies that AWS charges SQS per API call not per message and implements batching to reduce API calls, handling idempotency and lost-batch risk across hundreds of microservices and 19 regions. The team prototypes, estimates savings, implements a safe batching mechanism, and performs a gradual rollout with performance and cost monitoring at scale (processing 40 billion objects). The change yields an 80% SQS cost reduction without performance loss.
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