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Process version-1 flamegraphs through the existing native symbolication pipeline behind a feature flag. Preserve captured addresses and original tables, expand inline frames, and checkpoint attachment updates. Share native frame helpers and cover ingestion, storage backends, validation, reprocessing, and interrupted multi-attachment processing.
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Scope: Backend
Preserve event processing when attachments are invalid or unavailable. Handle deep trees iteratively, enforce the rewritten payload size limit, and preserve relative image references. Reuse existing JSON and attachment helpers and add regression coverage.
Keep the existing frame helpers in processing.py and build the image mapping in one place. Remove unused rerun snapshots while retaining completion tracking and attachment size checks. Cover large payloads without retaining duplicate original tables.
philprime
commented
Oct 15, 2026
Use the typed objectstore ID directly in flamegraph assertions.
philprime
marked this pull request as ready for review
October 15, 2026 12:58
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Adds native symbolication for version-1
event.flamegraphattachments behindorganizations:flamegraph-attachments, using the existing event symbolication pipeline and attachment cache/objectstore flow. Attachments can trigger processing even when the associated event has no native stacktrace, and symbolication uses the attachment's own debug images.Following the view-hierarchy deobfuscation pattern, attachment handling is separate from Symbolicator request orchestration. Resolved inline frames expand into caller-to-callee chains while preserving captured addresses, addressing modes, sample counts, and unresolved data. Completed attachments are marked with
_symbolication.status: "completed"and skipped on subsequent processing. Each successful attachment is checkpointed before the next request without rewriting previously processed payloads.The draft format is defined in getsentry/sentry-docs#19774. Input is bounded to 10 MiB and symbolication to the first 2,500 frame entries. This PR does not add scrubbing, JVM/ProGuard remapping, JavaScript/source-map remapping, or Relay changes.
Regression coverage includes real Symbolicator ingestion with both debug-file storage backends, objectstore attachments, inline expansion, reprocessing, and interrupted multi-attachment processing.