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Keep TagMap.Ledger in parallel arrays keyed by tag id (phase 2 - dense tag storage) - #12883

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dougqh wants to merge 38 commits into

dougqh/tag-slot-coloringfrom

dougqh/ledger-ids

Draft

Keep TagMap.Ledger in parallel arrays keyed by tag id (phase 2 - dense tag storage)#12883
dougqh wants to merge 38 commits into
dougqh/tag-slot-coloringfrom
dougqh/ledger-ids

Commits on Oct 9, 2026
- Set known tags by id on TagMap and spans
  dougqh
  committed
  3ab5862
- Ignore unknown ids when clearing a tag by id; fix a comment wrap
  
  dougqh
  and
  claude
  committed
  4bf02bb
- Precheck and reuse the box in long-valued setters
  
  dougqh
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  claude
  committed
  a2829d1
- Keep peer.port off the id path
  
  dougqh
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  claude
  committed
  2d87cde
- Merge set-by-id (#12715) onto master
  dougqh
  committed
  7a017a5
- Mark intercepted tags with an id bit, via a tracer overlay
  
  dougqh
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  claude
  committed
  0401a43
- Dispatch TagInterceptor on tag ids
  
  dougqh
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  claude
  committed
  8949a57
- Set tags on spans by id first
  
  dougqh
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  claude
  committed
  cfe2368
- Look up tag names by serial in an array, not a switch
  
  dougqh
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  claude
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  38c9947
- Point stale comments at the tracer overlay and the intercepted bit
  
  dougqh
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  claude
  committed
  3545c15
- Index the split-by-tags table by serial, sized to every known tag
  
  dougqh
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  claude
  committed
  1642cc9
- Check for a known tag id with a range check, not a name lookup
  
  dougqh
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  claude
  committed
  b9dd573
- Pin interceptTag(long) above C2's inlining size
  
  dougqh
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  claude
  committed
  75d3fbc
- Tighten comments on the id-keyed interceptor
  
  dougqh
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  claude
  committed
  ecb4f73
- Treat overlay tags as intercepted; tidy from review
  
  dougqh
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  claude
  committed
  3f65031
- Reject shared-name tag ids on the id-keyed TagMap and span paths
  
  dougqh
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  claude
  committed
  69d7849
- Test rejection of shared-name tag ids
  
  dougqh
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  claude
  committed
  46c3b47
Commits on Oct 10, 2026
- Build custom tags by name and known tags by id
  
  dougqh
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  claude
  committed
  ad2fa97
- Merge master into id-tag-interceptor (#12817)
  dougqh
  committed
  628da33
- Give the tracer core a restricted, trusted path into TagMap
  
  dougqh
  and
  claude
  committed
  dac7060
- Mark TagMap.Internals @NoEscape
  
  dougqh
  and
  claude
  committed
  fbab551
Commits on Oct 13, 2026
- Add datadog.apicontract to CODEOWNERS
  
  dougqh
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  claude
  committed
  f08c1c3
- Merge branch 'master' into dougqh/id-tag-interceptor
  dougqh
  authored
  f796149
- Give peer.port one direction-neutral id
  
  dougqh
  and
  claude
  committed
  22d0fd1
- Name peer.port by the span's kind in OTLP export
  
  dougqh
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  claude
  committed
  ba715de
- Let C2 inline the constructors of TagMap's nested classes
  
  dougqh
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  claude
  committed
  584310c
- Remove TagMap's remaining synthetic accessors and guard against them
  
  dougqh
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  claude
  committed
  3842b16
Commits on Oct 14, 2026
- Merge master into id-tag-interceptor
  
  dougqh
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  claude
  committed
  64d6cf3
- Cover TagMap.Internals, KnownTagCodec and EntryReader paths
  
  dougqh
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  claude
  committed
  bb0bbb0
- Format the tag-registry generator to its spotless rules
  
  dougqh
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  claude
  committed
  fb6410e
- Order the tag-id carve bits by position
  
  dougqh
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  claude
  committed
  97a508b
- Merge master into id-tag-interceptor
  
  dougqh
  and
  claude
  committed
  fa54aca
- Re-apply split-by-tags language by its id
  
  dougqh
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  claude
  committed
  1c88d5e
- Say what a tag id's intercepted bit does and doesn't decide
  
  dougqh
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  committed
  5ba0a09
Commits on Oct 15, 2026
- Color known tags into co-occurrence slots in their ids
  
  dougqh
  and
  claude
  committed
  0faed2d
- Keep TagMap.Ledger in parallel arrays keyed by tag id
  
  dougqh
  and
  claude
  committed
  683d11d
- Allocate the ledger's names array only for custom tags
  
  dougqh
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  claude
  committed
  8610d72
- Merge the rebased tag-slot-coloring (#12882) into ledger-ids
  
  dougqh
  and
  claude
  committed
  22b39e4

Commits

Commits on Oct 9, 2026

Commits on Oct 10, 2026

Commits on Oct 13, 2026

Commits on Oct 14, 2026

Commits on Oct 15, 2026