Optimizing: Instrumentation | Next.js

import { registerOTel } from '@vercel/otel' export function register() { registerOTel('next-app') } See the Next.js with OpenTelemetry example for a complete implementation. Good to know This feature is experimental. To use it, you must explicitly opt in by defining experimental.instrumentationHook = true; in your next.config.js. The instrumentation file should be in the root of your project and n

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Next.jsに`instrumentation.ts`を置くと、SSRやRSCのプロセスごとに1度呼び出される処理を登録できる。