Emit additional metric tags on the OTLP stats export path#12069

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dougqh wants to merge 335 commits into

dougqh/otlp-additional-tags

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Commits on May 20, 2026

Address review feedback on Hashtable

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Drop reflection in iterator tests via package-private D1.buckets

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Add context-passing forEach to Hashtable.D1 and D2

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Move forEach loop body to Support helper

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Move bucket-head cast to Support.bucket helper

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Drop d1_/d2_ prefix from per-table benchmark methods

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Add Hashtable.Support helpers: MAX_RATIO, insertHeadEntry, MutatingTableIterator

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Swap MAX_RATIO numerator/denominator pair for a single float + scaled create()

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Tighten Hashtable docs + rename MAX_CAPACITY to MAX_BUCKETS

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Dedupe chain-head splice in D1/D2 via keyHash insertHeadEntry overload

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Tighten Entry.next encapsulation; doc hasNext; add D1/D2 getOrCreate

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Hashtable: add missing braces and detach removed/replaced entries

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Rename LongHashingUtils.hashCodeX(Object) to hash(Object) for API consistency

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Merge remote-tracking branch 'origin/master' into dougqh/optimize-metric-key
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Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
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Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
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Merge remote-tracking branch 'origin/master' into dougqh/conflating-metrics-background-work
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Introduce slim PeerTagSchema; capture peer-tag values not pairs

dougqh
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Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
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Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
dougqh
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Commits on May 21, 2026

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Remove shouldWarnThisCycle: reset() always clears the flag before the check

dougqh
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Commits on Jun 9, 2026

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Commits on Jun 24, 2026

Use RFC-aligned 'collapsed:' tag prefix for stats cardinality health metrics

dougqh
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claude
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Commits on Jun 29, 2026

Commits on Jul 14, 2026

Commits on Jul 15, 2026

Fix DD_TRACE_STATS_ADDITIONAL_TAGS type in supported-configurations.json

dougqh
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Commits on Jul 17, 2026

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