Use MpscRingBuffer for CSS producer/consumer inbox#11497

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dougqh/css-ring-buffer

Commits on May 15, 2026

Trim per-span work on metrics aggregator publish path

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Add SpanKindFilter and CoreSpan.isKind for bitmask-based kind checks

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Use SpanKindFilter in ConflatingMetricsAggregator

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Add DDSpan-based variant of ConflatingMetricsAggregator JMH benchmark

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Tighten SpanKindFilter encapsulation

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Defer MetricKey construction and cache lookups to the aggregator thread

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Report aggregator inbox-full drops via health metrics

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Commits on May 18, 2026

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