Defer MetricKey construction to the aggregator thread - #11381

Merged

gh-worker-dd-mergequeue-cf854d[bot] merged 36 commits into

dougqh/conflating-metrics-background-work

May 26, 2026

Commits on May 15, 2026

Trim per-span work on metrics aggregator publish path

dougqh
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claude
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bc42093
Add SpanKindFilter and CoreSpan.isKind for bitmask-based kind checks

dougqh
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claude
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808d63d
Use SpanKindFilter in ConflatingMetricsAggregator

dougqh
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claude
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6aa620e
Add DDSpan-based variant of ConflatingMetricsAggregator JMH benchmark

dougqh
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claude
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a02d0a9
Tighten SpanKindFilter encapsulation

dougqh
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claude
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ed38f18
Defer MetricKey construction and cache lookups to the aggregator thread

dougqh
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claude
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034afc0
Report aggregator inbox-full drops via health metrics

dougqh
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claude
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3a056b3

Commits on May 18, 2026

Commits on May 19, 2026

Resize previousCounts for inbox-full health metric

dougqh
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claude
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8414960
Skip SpanSnapshot allocation when the inbox is already at capacity

dougqh
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claude
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24969db

Commits on May 20, 2026

Commits on May 21, 2026

Address PR #11381 review (round 2)

dougqh
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claude
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e766fd3
Cover inbox-full fast-path in ConflatingMetricsAggregator.publish

dougqh
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claude
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8cfa4a5
Reconcile PeerTagSchema once per reporting cycle on the aggregator thread

dougqh
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claude
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3644470
Add bootstrap + reconcile coverage for PeerTagSchema

dougqh
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claude
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e7d0b42
Use writer.finishBucket() count in bootstrap test for cascade compatibility

dougqh
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claude
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ba3225c
Merge branch 'master' into dougqh/conflating-metrics-background-work
dougqh
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ec857b2
Preserve TRACER_METRICS_MAX_PENDING semantic + drop stale imports

dougqh
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claude
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0b86066
Add AdversarialMetricsBenchmark for capacity-bound stress testing

dougqh
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5c78dbb
Trim AdversarialMetricsBenchmark counters and clarify printout

dougqh
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70c20ef
Close PeerTagSchema reconcile race + cover the swap branch

dougqh
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68848ad
Clarify materializePeerTags hit-counting loop

dougqh
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2ea61c5
Drop unused Tags imports flagged by codenarc

dougqh
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5a4685f

Commits on May 22, 2026

Update dd-trace-core/src/main/java/datadog/trace/common/metrics/PeerTagSchema.java

dougqh
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sarahchen6
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a1863db
Address sarahchen6's review pass

dougqh
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a75bc4a
Clamp TRACER_METRICS_MAX_PENDING instead of throwing on overflow

dougqh
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4871892
Merge branch 'master' into dougqh/conflating-metrics-background-work
dougqh
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2c8ad26
Suppress forbiddenApis for tearDown's System.err diagnostics

dougqh
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claude
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641b5ef
Merge branch 'master' into dougqh/conflating-metrics-background-work
dougqh
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7eedb25
Use DDAgentFeaturesDiscovery.state() hash for PeerTagSchema reconcile

dougqh
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claude
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ce5b38b
Convert TRACER_METRICS_MAX_PENDING rationale to /* */ block comment

dougqh
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2eaa58f
Merge remote-tracking branch 'origin/dougqh/conflating-metrics-background-work' into dougqh/conflating-metrics-background-work
dougqh
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cd56981
Add cardinality-isolation companions to AdversarialMetricsBenchmark

dougqh
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claude
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d1df95e

Commits on May 26, 2026

Merge branch 'master' into dougqh/conflating-metrics-background-work
dougqh
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4faa839