Add head-based sampling for LLM Observability traces - #12277

Merged

gh-worker-dd-mergequeue-cf854d[bot] merged 16 commits into

nicole.cybul/llmobs-java-head-based-sampling

Sep 4, 2026

Commits on Aug 24, 2026

Add head-based sampling for LLM Observability traces
ncybul
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38584af
Always stamp LLMObs sampling fields, matching dd-trace-py

ncybul
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claude
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f9f5c5c

Commits on Aug 26, 2026

Inherit LLMObs sampling decision on auto-instrumented OpenAI spans

ncybul
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claude
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96912bb
Sample standalone auto-instrumented LLMObs spans
ncybul
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277ded9
Address review comments: trim sampling comments and consolidate mapper tests
ncybul
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e75c402
Cover LLMObsContext sampling accessors to satisfy internal-api coverage gate

ncybul
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claude
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7a261db
Merge branch 'master' into nicole.cybul/llmobs-java-head-based-sampling
ncybul
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30cb4c8

Commits on Aug 27, 2026

Merge branch 'master' into nicole.cybul/llmobs-java-head-based-sampling
ncybul
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9cff94f
Stop consuming LLMObs tags off the span during serialization

ncybul
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claude
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385a704
Document that LLMObs sampling state is not propagated across processes

ncybul
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claude
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17382a7

Commits on Aug 28, 2026

Fall back to a sample rate of 1.0 for out-of-range LLMObs rates
ncybul
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6506692

Commits on Aug 31, 2026

Merge master into llmobs-java-head-based-sampling

ncybul
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claude
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72a8ea8
Pass the new agentVersion argument in the sampling test seam

ncybul
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claude
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64e98b2

Commits on Sep 2, 2026

Merge master into llmobs-java-head-based-sampling

ncybul
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claude
committed
328bce5

Commits on Sep 3, 2026

Merge branch 'master' into nicole.cybul/llmobs-java-head-based-sampling
ncybul
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d057041

Commits on Sep 4, 2026

Merge branch 'master' into nicole.cybul/llmobs-java-head-based-sampling
ncybul
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5f16f1e