ref(node)!: Remove legacy incoming HTTP span hooks and default keepAlive to true - #23396
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ref(node)!: Remove legacy incoming HTTP span hooks and default keepAlive to true#23396RulaKhaled wants to merge 5 commits into
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…ive to true Incoming request spans now only go through `onSpanCreated` / `incomingRequestSpanHook`. The HTTP transport reuses sockets by default now that Node 8 keepAlive leaks are out of support. Fixes #22260 Co-Authored-By: Cursor Grok 4.6 <cursoragent@cursor.com>
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CHANGELOG and root MIGRATION.md are maintained separately; the breaking-change write-up for this PR lives in docs/migration/v11-end-state.md.
RulaKhaled
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Aug 14, 2026
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This looks really good. I think there's some more clean-up that could potentially be done, but wouldn't block on that. The only real issue is that keepAlive can be potentially hazardous without a retry for serverless use cases.
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low/cleanup: we can probably just remove the rest of these "deprecated: does nothing" options.
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also handled in the stacked PR
…nsubscribe Keep-alive sockets can die while a serverless isolate is frozen; retry once when Node reports a reused socket reset. setupOnce is unique by name, so the diagnostics-channel unsubscribe is unused. Co-Authored-By: Cursor Grok 4.6 <cursoragent@cursor.com>
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Incoming
http.serverspans only useincomingRequestSpanHook/onSpanCreated.httpIntegration'sinstrumentation.*hooks no longer run for incoming requests; they still apply to outgoing. The Node HTTP transport now defaultskeepAlivetotrue.TODOs:
requestHook/responseHook/applyCustomAttributesOnSpan; keeponSpanCreated— done.instrumentHttpOutgoingRequests()is still public and can be called more than once;subscribe()stacks.keepAlivetotrue— done. The leak was Node 8 era, v11 requires 20.19.0+.Fixes #22260