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

Draft

dougqh wants to merge 30 commits into

dougqh/optimize-metric-keyfrom

dougqh/control-tag-cardinality

Commits on May 18, 2026

Cap per-field metric tag cardinality via Property/TagCardinalityHandler

dougqh
and
claude
committed
Canonicalize SpanSnapshot before hashing so blocked values collapse

dougqh
and
claude
committed
Defer peer-tag pair construction; capture values + canonicalize via schema-indexed handlers

dougqh
and
claude
committed
Rename ConflatingMetricsAggregator to ClientStatsAggregator

dougqh
and
claude
committed
Cleanups: fix previousCounts size, drop dead code

dougqh
and
claude
committed
Hoist peer-tag schema sync to once per trace

dougqh
and
claude
committed
Use cached span.kind ordinal in metrics producer; drop tag-map lookup

dougqh
and
claude
committed
Add client metrics pipeline design doc

dougqh
and
claude
committed

Commits on May 20, 2026

Address review on AggregateEntry nullables + PeerTagSchema revision

dougqh
and
claude
committed
Consolidate cardinality-handler reset behind one entry point

dougqh
and
claude
committed
Parameterize PropertyCardinalityHandler on T extends CharSequence

dougqh
and
claude
committed
Add long-lived LRU cache to PropertyCardinalityHandler

dougqh
and
claude
committed
Centralize per-field cardinality limits in MetricCardinalityLimits

dougqh
and
claude
committed
Reimplement cardinality handlers as open-addressed flat arrays

dougqh
and
claude
committed
Drop parallel keys array in PropertyCardinalityHandler

dougqh
and
claude
committed
Drop type parameter from PropertyCardinalityHandler

dougqh
and
claude
committed
Guard cardinality-handler ctor against pathological inputs

dougqh
and
claude
committed
Make EMPTY the universal absent sentinel for AggregateEntry UTF8 fields

dougqh
and
claude
committed
Use EMPTY consistently for absent values in peer-tag canonicalization

dougqh
and
claude
committed
Tighten handler visibility + add tests for EMPTY-on-null contract

dougqh
and
claude
committed
Notify on peer-tag cardinality blocks

dougqh
and
claude
committed
Address PR #11387 review: dual-role docs, rename, @Nullable, consumer-side reconcile

dougqh
and
claude
committed
Lock in cardinality-handler prior-cycle UTF8 reuse with explicit tests

dougqh
and
claude
committed
Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
dougqh
committed
Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality
dougqh
committed

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

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

Per-component / tag cardinality limits in client-side stats#11387
dougqh wants to merge 30 commits into
dougqh/optimize-metric-keyfrom
dougqh/control-tag-cardinality

Commits on May 18, 2026

Cap per-field metric tag cardinality via Property/TagCardinalityHandler

Canonicalize SpanSnapshot before hashing so blocked values collapse

Defer peer-tag pair construction; capture values + canonicalize via schema-indexed handlers

Rename ConflatingMetricsAggregator to ClientStatsAggregator

Cleanups: fix previousCounts size, drop dead code

Hoist peer-tag schema sync to once per trace

Use cached span.kind ordinal in metrics producer; drop tag-map lookup

Add client metrics pipeline design doc

Commits on May 19, 2026

Add DDAgentFeaturesDiscovery.peerTagsRevision()

Move peer-tag schema cache from PeerTagSchema statics to ClientStatsAggregator

Merge dougqh/optimize-metric-key into dougqh/control-tag-cardinality

Fold AggregateMetric into AggregateEntry

Remove accidentally-staged .claude/worktrees entries

Commits on May 20, 2026

Address review on AggregateEntry nullables + PeerTagSchema revision

Consolidate cardinality-handler reset behind one entry point

Parameterize PropertyCardinalityHandler on T extends CharSequence

Add long-lived LRU cache to PropertyCardinalityHandler

Centralize per-field cardinality limits in MetricCardinalityLimits

Reimplement cardinality handlers as open-addressed flat arrays

Drop parallel keys array in PropertyCardinalityHandler

Drop type parameter from PropertyCardinalityHandler

Guard cardinality-handler ctor against pathological inputs

Make EMPTY the universal absent sentinel for AggregateEntry UTF8 fields

Use EMPTY consistently for absent values in peer-tag canonicalization

Tighten handler visibility + add tests for EMPTY-on-null contract

Notify on peer-tag cardinality blocks

Address PR #11387 review: dual-role docs, rename, @Nullable, consumer-side reconcile

Lock in cardinality-handler prior-cycle UTF8 reuse with explicit tests

Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality

Merge branch 'dougqh/optimize-metric-key' into dougqh/control-tag-cardinality