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Resolve direction-dependent tag names by the span's kind (otlp - tag registry - phase 3) - #12731

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dougqh wants to merge 52 commits into

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dougqh/tag-registry-direction-resolution

Draft

Resolve direction-dependent tag names by the span's kind (otlp - tag registry - phase 3)#12731
dougqh wants to merge 52 commits into
masterfrom
dougqh/tag-registry-direction-resolution

Commits on Oct 9, 2026
- Set known tags by id on TagMap and spans
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  3ab5862
- Ignore unknown ids when clearing a tag by id; fix a comment wrap
  
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  4bf02bb
- Precheck and reuse the box in long-valued setters
  
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  a2829d1
- Keep peer.port off the id path
  
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  2d87cde
- Merge set-by-id (#12715) onto master
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  7a017a5
- Mark intercepted tags with an id bit, via a tracer overlay
  
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  0401a43
- Dispatch TagInterceptor on tag ids
  
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  8949a57
- Set tags on spans by id first
  
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  cfe2368
- Look up tag names by serial in an array, not a switch
  
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  38c9947
- Point stale comments at the tracer overlay and the intercepted bit
  
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  3545c15
- Index the split-by-tags table by serial, sized to every known tag
  
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  1642cc9
- Check for a known tag id with a range check, not a name lookup
  
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  b9dd573
- Pin interceptTag(long) above C2's inlining size
  
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  75d3fbc
- Tighten comments on the id-keyed interceptor
  
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  ecb4f73
- Treat overlay tags as intercepted; tidy from review
  
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  3f65031
- Reject shared-name tag ids on the id-keyed TagMap and span paths
  
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  69d7849
- Test rejection of shared-name tag ids
  
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  46c3b47
Commits on Oct 10, 2026
- Build custom tags by name and known tags by id
  
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  ad2fa97
- Resolve direction-dependent tag names by the span's kind
  
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  3a269e1
- Key shared-name tags by direction now that resolution knows it
  
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  d509119
- Merge master into id-tag-interceptor (#12817)
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  committed
  628da33
- Merge id-tag-interceptor (#12817) into tag-registry-direction-resolution
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  committed
  cc43136
- Give the tracer core a restricted, trusted path into TagMap
  
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  claude
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  dac7060
- Mark TagMap.Internals @NoEscape
  
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  fbab551
- Merge id-tag-interceptor (#12817) into tag-registry-direction-resolution
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  8d47c7f
- Point Internals' trust note at isKnown, the span's check here
  
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  92fb191
Commits on Oct 13, 2026
- Store each direction-dependent tag once and apply direction on read
  
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  06dec0f
- Name direction-dependent tags by span kind in OTLP export
  
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  d469c66
- Apply last write wins between a tag and its direction-scoped alias
  
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  748a8af
- Carry the direction role in tag ids so plain setTag pays nothing extra
  
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  44826c6
- Move alias superseding off the setTag store fast path
  
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  dc06725
- Cover SpanTags and the KnownTagCodec direction helpers in internal-api
  
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  44c9c2f
- Route alias-target writes only on spans holding a pending alias
  
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  d3d6ee4
- Merge tag-registry-direction-resolution into the single-representation rework
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  a48e145
- Cover the remaining TagMap.Internals setKnown overloads
  
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  85c222d
- Add datadog.apicontract to CODEOWNERS
  
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  f08c1c3
- Merge branch 'master' into dougqh/id-tag-interceptor
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  authored
  f796149
- Give peer.port one direction-neutral id
  
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  22d0fd1
- Name peer.port by the span's kind in OTLP export
  
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  ba715de
- Merge id-tag-interceptor (#12817, before the peer.port move) into tag-registry-direction-resolution
  
  dougqh
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  claude
  committed
  e55a358
- Merge id-tag-interceptor (#12817) into tag-registry-direction-resolution
  
  dougqh
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  01ea7f5
- Let C2 inline the constructors of TagMap's nested classes
  
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  584310c
- Remove TagMap's remaining synthetic accessors and guard against them
  
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  3842b16
- Merge id-tag-interceptor (#12817) into tag-registry-direction-resolution
  
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  6e6077e
Commits on Oct 14, 2026
- Merge master into id-tag-interceptor
  
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  claude
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  64d6cf3
- Cover TagMap.Internals, KnownTagCodec and EntryReader paths
  
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  bb0bbb0
- Format the tag-registry generator to its spotless rules
  
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  fb6410e
- Merge id-tag-interceptor (#12817) into tag-registry-direction-resolution
  
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  6593371
- Drop #12817's direction stand-in tests, covered by SpanTagsTest
  
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  0d7b732
- Order the tag-id carve bits by position
  
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  97a508b
- Merge master into id-tag-interceptor
  
  dougqh
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  claude
  committed
  fa54aca
- Merge id-tag-interceptor (#12817) into tag-registry-direction-resolution
  
  dougqh
  and
  claude
  committed
  4bb2c75

Commits

Commits on Oct 9, 2026

Commits on Oct 10, 2026

Commits on Oct 13, 2026

Commits on Oct 14, 2026