feat(nextjs): Use spans generated by Next.js for App Router #12729
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This is ready for review, just need to figure out why 1 e2e test is failing. |
chargome
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size-limit report 📦
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| // This comes with the risk of tests leaking into each other but the tests run quite slow so we should parallelize | ||
| workers: '100%', |
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my thought was: If the tests leak, the tests are bad anyways.
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packages/nextjs/src/server/index.ts
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| client?.on('spanEnd'); |
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Suggested change
| client?.on('spanEnd'); |
I guess this is a leftover? 😅
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This was referenced Aug 9, 2024
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Previously when we attempted to use the OTEL tracing provided by Next.js we faced data quality issues. The problem was that we used to look at the data holistically and not in isolation. We discovered that certain data provided by Next.js is actually more accurate than the data we collect, in particular the data we collect for app router SSR requests.
With this PR we start using OTEL data for app router SSR requests. We do this by allow-listing spans created for these requests by Next.js so that we are only capturing these spans/traces.
With this PR, we're starting to use our/otel's HTTP instrumentation (only for app router SSR requests!) so we can capture the most accurate data.
There are a few gotchas:
Traces look like this now: