Add span-derived primary tags (CSS v1.3.0)#11402

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dougqh/control-tag-cardinalityfrom

dougqh/metrics-arbitrary-tags

Commits on Jun 3, 2026

Add span-derived primary tags (CSS v1.3.0)

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Make Canonical schema-swap safe + add additional-tags benchmark

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Rebase dougqh/metrics-arbitrary-tags onto dougqh/control-tag-cardinality

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Use TagCardinalityHandler for additional-tag UTF8 caching + per-tag cardinality

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Drop AdditionalTagsCardinalityLimiter — TagCardinalityHandler per tag is sufficient

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Fix allNull check in toEntry + stale benchmark comments

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Add @Param(limitsEnabled) to AdditionalTagsMetricsBenchmark

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Document limitsEnabled benchmark interpretation + fix stale cap references

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Add @SuppressForbidden to benchmark teardown + key-validation tests

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Store additional tags compactly, mirroring peer tags

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Commits on Jun 4, 2026