Trace Propagation Cheat Sheet
This is a cheat sheet where you can see how the trace propagation work in SDKs in different scenarios.
| SCENARIO: Incoming trace in sentry-trace/baggage headers | SCENARIO: Incoming sampled flag in sentry-trace/baggage header | SCENARIO:traces_propagation_targets are matching? | SCENARIO:traces_sample_rate setting | OUTCOME: Send Spans to Sentry? | OUTCOME: Outgoing Requests Have Trace? ( sentry-trace/baggage are present) | OUTCOME: Continue Incoming Trace? (outgoing trace_id is the incoming trace_id) |
|---|---|---|---|---|---|---|
| not present | - | yes | null | no | yes | - |
| not present | - | yes | 0 | no | yes | - |
| not present | - | yes | 1 | yes | yes | - |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| not present | - | no | null | no | no | - |
| not present | - | no | 0 | no | no | - |
| not present | - | no | 1 | yes | no | - |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| present | empty (deferred) | yes | null | no | yes | yes |
| present | empty (deferred) | yes | 0 | no | yes | yes |
| present | empty (deferred) | yes | 1 | yes | yes | yes |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| present | 1 | yes | null | no | yes | yes |
| present | 1 | yes | 0 | yes | yes | yes |
| present | 1 | yes | 1 | yes | yes | yes |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| present | 0 | yes | null | no | yes | yes |
| present | 0 | yes | 0 | no | yes | yes |
| present | 0 | yes | 1 | no | yes | yes |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| present | empty (deferred) | no | null | no | no | - |
| present | empty (deferred) | no | 0 | no | no | - |
| present | empty (deferred) | no | 1 | yes | no | - |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| present | 1 | no | null | no | no | - |
| present | 1 | no | 0 | yes | no | - |
| present | 1 | no | 1 | yes | no | - |
| -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
| present | 0 | no | null | no | no | - |
| present | 0 | no | 0 | no | no | - |
| present | 0 | no | 1 | no | no | - |
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Our documentation is open source and available on GitHub. Your contributions are welcome, whether fixing a typo (drat!) or suggesting an update ("yeah, this would be better").