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Per-component / tag cardinality limits in client-side stats - #11387

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gh-worker-dd-mergequeue-cf854d[bot] merged 269 commits into

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dougqh/control-tag-cardinality

Jul 1, 2026

This pull request is big! We're only showing the most recent 250 commits

Commits on May 18, 2026
- Use cached span.kind ordinal in metrics producer; drop tag-map lookup
  
  dougqh
  and
  claude
  committed
  fb32366
- Add client metrics pipeline design doc
  
  dougqh
  and
  claude
  committed
  1221b2b
- Add unit tests for Hashtable and LongHashingUtils
  
  dougqh
  and
  claude
  committed
  46a9055
- Apply spotless formatting to Hashtable and LongHashingUtils
  
  dougqh
  and
  claude
  committed
  031dc89
- Add JMH benchmarks for Hashtable.D1 and D2
  
  dougqh
  and
  claude
  committed
  f9e63b9
- Add benchmark results to HashtableBenchmark header
  
  dougqh
  and
  claude
  committed
  a534e4f
Commits on May 19, 2026
- Address review feedback on Hashtable
  
  dougqh
  and
  claude
  committed
  ba66a36
- Fix dropped argument in HashingUtils 5-arg Object hash
  
  dougqh
  and
  claude
  committed
  3108941
- Address review feedback on Hashtable
  
  dougqh
  and
  claude
  committed
  1415f12
- Drop reflection in iterator tests via package-private D1.buckets
  
  dougqh
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  claude
  committed
  b7cee2f
- Resize previousCounts for inbox-full health metric
  
  dougqh
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  claude
  committed
  8414960
- Fold AggregateMetric into AggregateEntry
  
  dougqh
  and
  claude
  committed
  553ffb8
- Avoid capturing lambda in Aggregator.report
  
  dougqh
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  claude
  committed
  07ed635
- Add context-passing forEach to Hashtable.D1 and D2
  
  dougqh
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  claude
  committed
  df58ad7
- Move forEach loop body to Support helper
  
  dougqh
  and
  claude
  committed
  9c6e95c
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  7ab47f7
- Delegate AggregateTable.forEach to Support.forEach
  
  dougqh
  and
  claude
  committed
  590ab4a
- Move bucket-head cast to Support.bucket helper
  
  dougqh
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  claude
  committed
  447ea33
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  46f147a
- Use Support.bucket and type chain walks as AggregateEntry
  
  dougqh
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  claude
  committed
  dd5e13f
- Drop d1_/d2_ prefix from per-table benchmark methods
  
  dougqh
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  claude
  committed
  df7f98f
- Add DDAgentFeaturesDiscovery.peerTagsRevision()
  
  dougqh
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  claude
  committed
  e72fd01
- Move peer-tag schema cache from PeerTagSchema statics to ClientStatsAggregator
  
  dougqh
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  claude
  committed
  dce4b2c
- Add Hashtable.Support helpers: MAX_RATIO, insertHeadEntry, MutatingTableIterator
  
  dougqh
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  claude
  committed
  e6ecc16
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  a409d5d
- Simplify AggregateTable via new Hashtable.Support helpers
  
  dougqh
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  claude
  committed
  96b40b8
- Swap MAX_RATIO numerator/denominator pair for a single float + scaled create()
  
  dougqh
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  claude
  committed
  55ca204
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  7b9eccd
- Address second-round review on AggregateTable / Aggregator
  
  dougqh
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  claude
  committed
  192de0c
- Tighten Hashtable docs + rename MAX_CAPACITY to MAX_BUCKETS
  
  dougqh
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  claude
  committed
  4bac439
- Dedupe chain-head splice in D1/D2 via keyHash insertHeadEntry overload
  
  dougqh
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  claude
  committed
  de289a0
- Tighten Entry.next encapsulation; doc hasNext; add D1/D2 getOrCreate
  
  dougqh
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  claude
  committed
  2dd65ed
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  cc8d98a
- Use keyHash insertHeadEntry overload in AggregateTable.findOrInsert
  
  dougqh
  and
  claude
  committed
  6a9063b
- Merge dougqh/optimize-metric-key into dougqh/control-tag-cardinality
  
  dougqh
  and
  claude
  committed
  8f4c6f4
- Fold AggregateMetric into AggregateEntry
  
  dougqh
  and
  claude
  committed
  5a52622
- Remove accidentally-staged .claude/worktrees entries
  dougqh
  committed
  ece78c9
- Replace // nullable comments with @Nullable annotations on AggregateEntry
  
  dougqh
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  claude
  committed
  dbb1702
- Drop redundant load-factor comment from AggregateTable ctor
  
  dougqh
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  claude
  committed
  545e74c
- Import java.util.Objects in AggregateEntry instead of fully qualifying
  
  dougqh
  and
  claude
  committed
  9983a59
- Document evictOneStale cost and disable() best-effort offer
  
  dougqh
  and
  claude
  committed
  d2e4477
- Skip SpanSnapshot allocation when the inbox is already at capacity
  
  dougqh
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  claude
  committed
  24969db
Commits on May 20, 2026
- Address review on AggregateEntry nullables + PeerTagSchema revision
  
  dougqh
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  claude
  committed
  b6c4f5f
- Consolidate cardinality-handler reset behind one entry point
  
  dougqh
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  claude
  committed
  14f7f58
- Parameterize PropertyCardinalityHandler on T extends CharSequence
  
  dougqh
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  claude
  committed
  b953b3a
- Add long-lived LRU cache to PropertyCardinalityHandler
  
  dougqh
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  claude
  committed
  40e8cbd
- Centralize per-field cardinality limits in MetricCardinalityLimits
  
  dougqh
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  claude
  committed
  d88a863
- Reimplement cardinality handlers as open-addressed flat arrays
  
  dougqh
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  claude
  committed
  d01036f
- Drop parallel keys array in PropertyCardinalityHandler
  
  dougqh
  and
  claude
  committed
  7b6c5f1
- Drop type parameter from PropertyCardinalityHandler
  
  dougqh
  and
  claude
  committed
  10ca111
- Guard cardinality-handler ctor against pathological inputs
  
  dougqh
  and
  claude
  committed
  4610078
- Make EMPTY the universal absent sentinel for AggregateEntry UTF8 fields
  
  dougqh
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  claude
  committed
  713aa34
- Use EMPTY consistently for absent values in peer-tag canonicalization
  
  dougqh
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  claude
  committed
  617bc51
- Tighten handler visibility + add tests for EMPTY-on-null contract
  
  dougqh
  and
  claude
  committed
  e1dec83
- Notify on peer-tag cardinality blocks
  
  dougqh
  and
  claude
  committed
  2336bb5
- Address PR #11387 review: dual-role docs, rename, @Nullable, consumer-side reconcile
  
  dougqh
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  claude
  committed
  5b6c5aa
- Lock in cardinality-handler prior-cycle UTF8 reuse with explicit tests
  
  dougqh
  and
  claude
  committed
  3c3c8b1
- Hashtable: add missing braces and detach removed/replaced entries
  
  dougqh
  and
  claude
  committed
  66ec7f6
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  be823ab
- Add Hashtable and LongHashingUtils to datadog.trace.util
  
  dougqh
  and
  claude
  committed
  10956b2
- Add unit tests for Hashtable and LongHashingUtils
  
  dougqh
  and
  claude
  committed
  035dc09
- Apply spotless formatting to Hashtable and LongHashingUtils
  
  dougqh
  and
  claude
  committed
  7728b60
- Add JMH benchmarks for Hashtable.D1 and D2
  
  dougqh
  and
  claude
  committed
  8cd2d86
- Add benchmark results to HashtableBenchmark header
  
  dougqh
  and
  claude
  committed
  c689ef9
- Address review feedback on Hashtable
  
  dougqh
  and
  claude
  committed
  75790eb
- Fix dropped argument in HashingUtils 5-arg Object hash
  
  dougqh
  and
  claude
  committed
  6056ff7
- Address review feedback on Hashtable
  
  dougqh
  and
  claude
  committed
  da55021
- Drop reflection in iterator tests via package-private D1.buckets
  
  dougqh
  and
  claude
  committed
  8b8b088
- Add context-passing forEach to Hashtable.D1 and D2
  
  dougqh
  and
  claude
  committed
  0fde7cd
- Move forEach loop body to Support helper
  
  dougqh
  and
  claude
  committed
  6d6c2e0
- Move bucket-head cast to Support.bucket helper
  
  dougqh
  and
  claude
  committed
  268de2b
- Drop d1_/d2_ prefix from per-table benchmark methods
  
  dougqh
  and
  claude
  committed
  93813b9
- Add Hashtable.Support helpers: MAX_RATIO, insertHeadEntry, MutatingTableIterator
  
  dougqh
  and
  claude
  committed
  11a58bf
- Swap MAX_RATIO numerator/denominator pair for a single float + scaled create()
  
  dougqh
  and
  claude
  committed
  8f1828d
- Tighten Hashtable docs + rename MAX_CAPACITY to MAX_BUCKETS
  
  dougqh
  and
  claude
  committed
  c0d3e26
- Dedupe chain-head splice in D1/D2 via keyHash insertHeadEntry overload
  
  dougqh
  and
  claude
  committed
  a0978ba
- Tighten Entry.next encapsulation; doc hasNext; add D1/D2 getOrCreate
  
  dougqh
  and
  claude
  committed
  e604a8f
- Hashtable: add missing braces and detach removed/replaced entries
  
  dougqh
  and
  claude
  committed
  e2642cd
- Rename LongHashingUtils.hashCodeX(Object) to hash(Object) for API consistency
  
  dougqh
  and
  claude
  committed
  585ca56
- Merge remote-tracking branch 'origin/master' into dougqh/optimize-metric-key
  dougqh
  committed
  aab5b3b
- Merge branch 'dougqh/util-hashtable' into dougqh/optimize-metric-key
  dougqh
  committed
  88f169f
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  d61a3c6
- Merge remote-tracking branch 'origin/master' into dougqh/conflating-metrics-background-work
  dougqh
  committed
  795ba76
- Introduce slim PeerTagSchema; capture peer-tag values not pairs
  
  dougqh
  and
  claude
  committed
  e455801
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  c2ff012
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  1df8bd2
Commits on May 21, 2026
- Address PR #11381 review (round 2)
  
  dougqh
  and
  claude
  committed
  e766fd3
- Cover inbox-full fast-path in ConflatingMetricsAggregator.publish
  
  dougqh
  and
  claude
  committed
  8cfa4a5
- Reconcile PeerTagSchema once per reporting cycle on the aggregator thread
  
  dougqh
  and
  claude
  committed
  3644470
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  1d1ba4d
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  57cb018
- Add bootstrap + reconcile coverage for PeerTagSchema
  
  dougqh
  and
  claude
  committed
  e7d0b42
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  3d4f380
- Use writer.finishBucket() count in bootstrap test for cascade compatibility
  
  dougqh
  and
  claude
  committed
  9391c48
- Use writer.finishBucket() count in bootstrap test for cascade compatibility
  
  dougqh
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  claude
  committed
  ba3225c
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  517ef75
- Rename bootstrap test to ClientStatsAggregator + adapt PeerTagSchemaTest
  
  dougqh
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  claude
  committed
  9bbe2d0
- Merge branch 'master' into dougqh/conflating-metrics-background-work
  dougqh
  committed
  ec857b2
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  ba0d390
- Preserve TRACER_METRICS_MAX_PENDING semantic + drop stale imports
  
  dougqh
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  claude
  committed
  0b86066
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  f71384e
- Add AdversarialMetricsBenchmark for capacity-bound stress testing
  
  dougqh
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  claude
  committed
  5c78dbb
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  471f8f7
- Trim AdversarialMetricsBenchmark counters and clarify printout
  
  dougqh
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  claude
  committed
  70c20ef
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  7a074e0
- Close PeerTagSchema reconcile race + cover the swap branch
  
  dougqh
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  claude
  committed
  68848ad
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  3fa7ac7
- Adapt reconcileSwapsSchemaWhenTagSetChanges to AggregateEntry shape
  
  dougqh
  and
  claude
  committed
  df3b31d
- Clarify materializePeerTags hit-counting loop
  
  dougqh
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  claude
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  2ea61c5
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  8ec956d
- Fix MetricsIntegrationTest entry recording call site
  
  dougqh
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  claude
  committed
  a606692
- Make ConflatingMetricAggregatorTest counter checks actually verify
  
  dougqh
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  913e7d7
- Drop dead recordDurations(int, AtomicLongArray) batch API
  
  dougqh
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  2dcea9a
- Warn about colon split in AggregateEntry.of test factory
  
  dougqh
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  committed
  50b06e5
- Add coverage for disable() -> ClearSignal threading path
  
  dougqh
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  claude
  committed
  b0f21bf
- Drop unused Tags imports flagged by codenarc
  
  dougqh
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  5a4685f
- Merge branch 'dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  200028d
- Drop unused Tags imports flagged by codenarc
  
  dougqh
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  claude
  committed
  0c50037
- Drop unused SpanKindFilter imports flagged by codenarc
  
  dougqh
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  claude
  committed
  078382f
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  
  dougqh
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  claude
  committed
  7455fcc
- Sync client_metrics_design doc with reconcile-on-aggregator-thread
  
  dougqh
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  claude
  committed
  4171d15
Commits on May 22, 2026
- Update dd-trace-core/src/main/java/datadog/trace/common/metrics/PeerTagSchema.java
  
  dougqh
  and
  sarahchen6
  authored
  a1863db
- Spread input hash before masking in cardinality-handler probes
  
  dougqh
  and
  claude
  committed
  3fb86d3
- Apply Spotless Javadoc reflows on metrics files
  
  dougqh
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  claude
  committed
  e5cfb54
- Address sarahchen6's review pass
  
  dougqh
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  claude
  committed
  a75bc4a
- Clamp TRACER_METRICS_MAX_PENDING instead of throwing on overflow
  
  dougqh
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  claude
  committed
  4871892
- Fix duplicate-entry bug for null-fielded SpanSnapshots
  
  dougqh
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  claude
  committed
  5f73c2d
- Clear dirty flag in ClearSignal handler
  
  dougqh
  and
  claude
  committed
  9dddf0a
- Merge branch 'master' into dougqh/conflating-metrics-background-work
  dougqh
  authored
  2c8ad26
- Drop conditional null-skip from peer-tag hashing
  
  dougqh
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  claude
  committed
  80778c4
- Delete dead Aggregator.clearAggregates()
  
  dougqh
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  claude
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  21e7545
- Cursor-resume eviction in AggregateTable via half-open MutatingTableIterator
  
  dougqh
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  claude
  committed
  877d95c
- Move AggregateEntry.of() test factory out of production class
  
  dougqh
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  claude
  committed
  e2f2585
- Fix AggregateEntry equals/hashCode contract violation
  
  dougqh
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  claude
  committed
  2536aa2
- Don't trample queued STOP in ClearSignal handler
  
  dougqh
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  claude
  committed
  c0449a3
- Implement PeerTagSchema.equals symmetric with hashCode
  
  dougqh
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  claude
  committed
  be13431
- Route service and spanKind through canonicalize for null-safety
  
  dougqh
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  claude
  committed
  d174938
- Suppress forbiddenApis for tearDown's System.err diagnostics
  
  dougqh
  and
  claude
  committed
  641b5ef
- Merge branch 'master' into dougqh/conflating-metrics-background-work
  dougqh
  authored
  7eedb25
- Use DDAgentFeaturesDiscovery.state() hash for PeerTagSchema reconcile
  
  dougqh
  and
  claude
  committed
  ce5b38b
- Convert TRACER_METRICS_MAX_PENDING rationale to /* */ block comment
  
  dougqh
  and
  claude
  committed
  2eaa58f
- Merge remote-tracking branch 'origin/dougqh/conflating-metrics-background-work' into dougqh/conflating-metrics-background-work
  dougqh
  committed
  cd56981
- Add cardinality-isolation companions to AdversarialMetricsBenchmark
  
  dougqh
  and
  claude
  committed
  d1df95e
- Merge remote-tracking branch 'origin/dougqh/conflating-metrics-background-work' into dougqh/optimize-metric-key
  dougqh
  committed
  4a4b72e
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  b382df5
Commits on May 26, 2026
- Reflow reconcilePeerTagSchema Javadoc after merge
  
  dougqh
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  claude
  committed
  e4ed029
- Consolidate contentEquals; remove redundant stringContentEquals
  
  dougqh
  and
  claude
  committed
  133d3c1
- Rename AggregateEntries -> AggregateEntryFixtures
  
  dougqh
  and
  claude
  committed
  2ae738b
- Tidy PR-iteration history out of test comments
  
  dougqh
  and
  claude
  committed
  f68ad4f
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  620241e
- Merge remote-tracking branch 'origin/master' into dougqh/optimize-metric-key
  dougqh
  committed
  6fdc2de
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  a6b7854
- Merge remote-tracking branch 'origin/master' into dougqh/optimize-metric-key
  dougqh
  committed
  3f32dfd
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  3d8cccc
- Make AggregateEntry.ERROR_TAG / TOP_LEVEL_TAG package-private
  
  dougqh
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  claude
  committed
  2d1536c
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  ad01d7d
- Move AggregateEntry equality contract to test-only helper
  
  dougqh
  and
  claude
  committed
  5bf4d90
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  60edaa4
- Move AggregateEntry equality contract to test-only helper
  
  dougqh
  and
  claude
  committed
  6b10345
- Consolidate AggregateEntryFixtures into AggregateEntryTestUtils
  
  dougqh
  and
  claude
  committed
  a67ac23
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  2c3730e
- Document deliberate cohesion + single-writer invariant on AggregateEntry
  
  dougqh
  and
  claude
  committed
  1eb6826
- Merge remote-tracking branch 'origin/dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  49124e5
- Avoid recomputing keyHash on AggregateTable miss
  
  dougqh
  and
  claude
  committed
  d5065f2
Commits on May 27, 2026
- Tighten client-stats cardinality plumbing
  
  dougqh
  and
  claude
  committed
  db08d58
- Document AggregateEntry.clear key-field persistence + SignalItem singleton contract
  
  dougqh
  and
  claude
  committed
  e6f2399
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  553bfbd
- Encapsulate EMPTY-as-absent sentinel + align hashOf field order with matches
  
  dougqh
  and
  claude
  committed
  5e72808
- Preserve warm TagCardinalityHandlers across peer-tag schema rebuilds
  
  dougqh
  and
  claude
  committed
  703c9e1
- Revert "Preserve warm TagCardinalityHandlers across peer-tag schema rebuilds"
  dougqh
  committed
  92a9af3
- Add trace.stats.cardinality.limits.enabled flag (default off)
  
  dougqh
  and
  claude
  committed
  3f4c1c6
- Doc the regime shift after cardinality-limits flag landed
  
  dougqh
  and
  claude
  committed
  6dc6701
- Drop useless @SuppressFBWarnings on AggregateEntry
  
  dougqh
  and
  claude
  committed
  dcb1898
- Update stale Javadoc on AggregateEntry's no-equals contract
  
  dougqh
  and
  claude
  committed
  a06c2a8
- Tighten AggregateEntry / PeerTagSchema surface area
  
  dougqh
  and
  claude
  committed
  acf2ffa
- Tighten AggregateEntry surface — drop one-line factory, doc the conventions
  
  dougqh
  and
  claude
  committed
  ccb4a4b
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  1469811
- Merge branch 'master' into dougqh/optimize-metric-key
  dougqh
  authored
  d0c0be8
- Drop unused UTF8BytesString import in MetricsIntegrationTest
  
  dougqh
  and
  claude
  committed
  4af16c1
- Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
  dougqh
  committed
  c48399d
- Merge branch 'master' into dougqh/optimize-metric-key
  dougqh
  authored
  dcd3407
- Lazy-allocate the error latency histogram on AggregateEntry
  
  dougqh
  and
  claude
  committed
  f2ee559
- Merge branch 'dougqh/lazy-error-latencies' into dougqh/control-tag-cardinality
  dougqh
  committed
  690b796
Commits on Jun 1, 2026
- Lazy-allocate the error latency histogram on AggregateEntry
  
  dougqh
  and
  claude
  committed
  0c658dd
- Merge master into dougqh/control-tag-cardinality
  
  dougqh
  and
  claude
  committed
  e61f9cd
- Address amarziali review: move emptyHistogramBytesCache field, use imports
  
  dougqh
  and
  claude
  committed
  8c92dc0
- Add [Claude] comment explaining lazy init on emptyHistogramBytesCache
  
  dougqh
  and
  claude
  committed
  410790c
- Drop [Claude] tag from emptyHistogramBytesCache comment
  
  dougqh
  and
  claude
  committed
  2170c16
- Merge branch 'master' into dougqh/lazy-error-latencies
  dougqh
  authored
  d99e902
Commits on Jun 2, 2026
- Cache PeerTagSchema.namesHash
  
  dougqh
  and
  claude
  committed
  07bb401
- Merge dougqh/lazy-error-latencies: lazy histogram + namesHash caching
  
  dougqh
  and
  claude
  committed
  4bdfa62
- Clamp populatePeerTags iteration to Math.min(schema.size(), values.length)
  
  dougqh
  and
  claude
  committed
  60a33f7
Commits on Jun 3, 2026
- Replace Canonical.peerTagsBuffer ArrayList with UTF8BytesString[] + size
  
  dougqh
  and
  claude
  committed
  e13c6aa
- Move blockedCount from PeerTagSchema into TagCardinalityHandler
  
  dougqh
  and
  claude
  committed
  f3b4766
- Update client_metrics_design.md for post-#11382 state
  
  dougqh
  and
  claude
  committed
  bebb2e1
- Emit health metrics for property-field cardinality blocks
  
  dougqh
  and
  claude
  committed
  ecc7ab6
Commits on Jun 4, 2026
- Apply spotless formatting to PeerTagSchema javadoc
  
  dougqh
  and
  claude
  committed
  35ecd21
- Merge remote-tracking branch 'origin/master' into dougqh/control-tag-cardinality
  dougqh
  committed
  23ddc21
- Rename Canonical.toEntry to createEntry
  
  dougqh
  and
  claude
  committed
  70a7112
- Trim multi-paragraph javadocs to one-liners per conventions
  
  dougqh
  and
  claude
  committed
  8fa0c9d
- Port review fixes: handler names, lazy statsDTag, has*() length checks, HealthMetrics interface
  
  dougqh
  and
  claude
  committed
  9d9c40e
- Fix stale Javadoc, add property-field warn log, fix SerializingMetricWriter ctor, add @Nullable
  
  dougqh
  and
  claude
  committed
  a77edbd
- Pass HealthMetrics through to PeerTagSchema.resetCardinalityHandlers() at call time
  
  dougqh
  and
  claude
  committed
  d5dc2f8
- Identity fast-path in property handler probes
  
  dougqh
  and
  claude
  committed
  3dea398
- Identity fast-path in tag handler probes
  
  dougqh
  and
  claude
  committed
  43cfb41
- Restore inbox-full fast-path in publish()
  
  dougqh
  and
  claude
  committed
  28646de
Commits on Jun 5, 2026
- Remove shouldWarnThisCycle: reset() always clears the flag before the check
  
  dougqh
  and
  claude
  committed
  4c1afcf
Commits on Jun 9, 2026
- Merge branch 'master' into dougqh/control-tag-cardinality
  dougqh
  authored
  68c05c3
- Port cardinality review fixes from #11402: drop warnedCardinality, add NO_STATE, rename resetHandlers, Config.toString
  
  dougqh
  and
  claude
  committed
  e4b1d19
- Add missing package declaration to MetricsIntegrationTest
  
  dougqh
  and
  claude
  committed
  0c4b7ef
- Drop now-redundant same-package imports in MetricsIntegrationTest
  
  dougqh
  and
  claude
  committed
  0d37095
- Suppress false-positive SpotBugs ES_COMPARING in TagCardinalityHandler.register
  
  dougqh
  and
  claude
  committed
  0a084fd
- Migrate MetricsIntegrationTest from Spock/Groovy to JUnit 5 Java
  
  dougqh
  and
  claude
  committed
  823d107
- Revert unnecessary discoverIfOutdated refactor in DDAgentFeaturesDiscovery
  
  dougqh
  and
  claude
  committed
  408e04c
Commits on Jun 16, 2026
- Address PR review feedback: revert stray change, clean up CoreSpan, raise RESOURCE limit
  
  dougqh
  and
  claude
  committed
  57bd568
- Fix forceKeep reset on ignored resource and stale spanKind test stubs
  
  dougqh
  and
  claude
  committed
  610ace5
- Merge branch 'master' into dougqh/control-tag-cardinality
  dougqh
  committed
  da11276
Commits on Jun 22, 2026
- Rename sentinel blocked_by_tracer → tracer_blocked_value per Cardinality Limits RFC
  
  dougqh
  and
  claude
  committed
  cf30c28
- Rename statsd metric to datadog.tracer.stats.collapsed_spans per Cardinality Limits RFC
  
  dougqh
  and
  claude
  committed
  ec44b14
- Add DD_TRACE_STATS_CARDINALITY_LIMIT config per Cardinality Limits RFC tunability guidance
  
  dougqh
  and
  claude
  committed
  680c34d
- Guard field handler reset against partial updates via FIELD_HANDLERS array
  
  dougqh
  and
  claude
  committed
  4c4186d
- Avoid redundant isKind() calls and null peerTagsBuffer check on hot path
  
  dougqh
  and
  claude
  committed
  c75fc16
- Fix stale AdditionalTagsSchema javadoc references in AggregateEntry
  
  dougqh
  and
  claude
  committed
  6214ca7
- Remove TRACE_STATS_CARDINALITY_LIMIT config; defer per-component config to follow-up PR
  
  dougqh
  and
  claude
  committed
  79ed7f1
- Remove cardinality limits enabled config; hardcode false until per-component config lands
  
  dougqh
  and
  claude
  committed
  1489ce7
Commits on Jun 24, 2026
- Use RFC-aligned 'collapsed:' tag prefix for stats cardinality health metrics
  
  dougqh
  and
  claude
  committed
  20e625b
Commits on Jun 25, 2026
- Add @BeforeEach resetCardinalityHandlers to AggregateEntryTest and MetricsIntegrationTest
  
  dougqh
  and
  claude
  committed
  1689e54
- Move testSchema() out of PeerTagSchema into its sole test caller
  
  dougqh
  and
  claude
  committed
  ca5e5ef
- Merge branch 'master' into dougqh/control-tag-cardinality
  
  dougqh
  and
  claude
  committed
  e53f44d
- Fix MetricsIntegrationTest: replace removed testSchema() with package-private constructor
  
  dougqh
  and
  claude
  committed
  343dd3e
- Fix HealthMetricsTest: onStatsAggregateDropped now emits two statsd calls
  
  dougqh
  and
  claude
  committed
  add5451
Commits on Jun 29, 2026
- Address PR review: CI fixes + Javadoc rewrites from review feedback
  
  dougqh
  and
  claude
  committed
  653fe6f
- Address review: AggregateTable + PropertyCardinalityHandler improvements
  
  dougqh
  and
  claude
  committed
  17e96dd
- Mirror bric3 review suggestions from PropertyCardinalityHandler onto TagCardinalityHandler
  
  dougqh
  and
  claude
  committed
  2cb1f0d
- Merge branch 'master' into dougqh/control-tag-cardinality
  dougqh
  authored
  3c6ca3e
- Move AggregateEntry.of() test factory to AggregateEntryTestUtils
  
  dougqh
  and
  claude
  committed
  230dc4a
- Simplify class Javadoc on PropertyCardinalityHandler and TagCardinalityHandler
  
  dougqh
  and
  claude
  committed
  9fd6a17
- Restore dual-role and prior-cycle design paragraphs to PropertyCardinalityHandler
  
  dougqh
  and
  claude
  committed
  05a5ef7
Commits on Jun 30, 2026
- Merge origin/master into dougqh/control-tag-cardinality
  
  dougqh
  and
  claude
  committed
  5fdf866
- Add missing Tags import to CoreSpan after merge
  
  dougqh
  and
  claude
  committed
  9f5e1f7
- Apply spotless formatting
  
  dougqh
  and
  claude
  committed
  825d5e2
- Merge branch 'master' into dougqh/control-tag-cardinality
  dougqh
  authored
  10a8c32
- Merge branch 'master' into dougqh/control-tag-cardinality
  dougqh
  authored
  b997f77
- Merge branch 'master' into dougqh/control-tag-cardinality
  dougqh
  authored
  bfe993d
Commits on Jul 1, 2026

Commits

Commits on May 18, 2026

Commits on May 19, 2026

Commits on May 20, 2026

Commits on May 21, 2026

Commits on May 22, 2026