The Cloud-Native Squeeze In 2025, the "rewrite it later" mindset is dead. With cloud providers shifting aggressively toward millisecond-billing models for serverless and managed container environments (like AWS Lambda or Google Cloud Run), the architectural decision between Go and Rust is no longer just about developer ergonomics—it is a direct line item on your monthly P&L. For years, Go was the default for microservices: fast builds, great concurrency, and "good enough" performance. But as we scale to zero and back up to thousands of concurrent requests, Go’s garbage collector (GC) and runtime overhead have created a "compute tax." You are over-provisioning memory to keep the GC happy and paying for CPU cycles spent cleaning up pointers rather than processing business logic. The dilemma for Architects today is clear: Do we accept the Go "tax" for velocity, or do we invest in Rust to shave 40% off our cloud bill and stabilize p99 latency? ...
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