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Take the span's tag lock once in setTagsFrom (tag api - part 1) - #13030

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dougqh wants to merge 93 commits into

dougqh/prototype-fast-pathfrom

dougqh/settagsfrom-lock-coarsening

Draft

Take the span's tag lock once in setTagsFrom (tag api - part 1)#13030
dougqh wants to merge 93 commits into
dougqh/prototype-fast-pathfrom
dougqh/settagsfrom-lock-coarsening

Commits on Oct 22, 2026
- Bucket known tags by slot in TagMap
  
  dougqh
  and
  claude
  committed
  eabce40
- Add whole-span and whole-trace allocation benchmarks
  
  dougqh
  and
  claude
  committed
  19b2e88
- Vary TraceShapeBenchmark's trace size; test bucketHash
  
  dougqh
  and
  claude
  committed
  6e65a31
- Merge branch 'master' into dougqh/tagmap-slot-buckets
  dougqh
  authored
  d72b784
- Add a whole-request benchmark for the header code paths
  
  dougqh
  and
  claude
  committed
  2271e4f
Commits on Oct 23, 2026
- Make a null tag value remove the tag in TagMap
  
  dougqh
  and
  claude
  committed
  fa9b441
- Merge branch 'dougqh/tagmap-null-removes' into dougqh/tagmap-slot-buckets
  
  dougqh
  and
  claude
  committed
  7894411
- Introduce SpanStorage for eager tag post-processors
  
  dougqh
  and
  claude
  committed
  8e57e87
- Extract TagMap's bucket mechanics into HashSupport
  
  dougqh
  and
  claude
  committed
  d5a7f64
Commits on Oct 26, 2026
Commits on Oct 27, 2026