Migrating a key API from Node to Bun cut p99 latency 80% and memory 63%

DanielLockyer · x · 2026-10-14

Developer makisuo reports moving an important API from Node to Bun with striking results: p50 latency down 25%, p95 down 60%, p99 down 80%, memory usage down 63%, and CPU down 25%. A concrete data point for backend teams weighing a runtime migration.

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