#20144
89%

Ran 11 Jan 2026 08:08PM UTC

Jobs 1

Files 627

Run time 1min

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Committed 09 Jan 2026 02:16PM UTC coverage: 88.672% (+0.02%) from 88.656%

Build # #20144

Build Type

push

github

Committed by

web-flow

Commit Message

opentelemetry: Add target attribute filter for metrics (#12587)

Introduce an optional Predicate<String> targetAttributeFilter to control how grpc.target is recorded in OpenTelemetry client metrics.

When a filter is provided, targets rejected by the predicate are normalized to "other" to reduce grpc.target metric cardinality, while accepted targets are recorded as-is. If no filter is set, existing behavior is preserved.

This change adds a new Builder API on GrpcOpenTelemetry to allow applications to configure the filter. Tests verify both the Builder
wiring and the target normalization behavior.

This is an optional API; annotation (e.g., experimental) can be added
per maintainer guidance.

Refs #12322
Related: gRFC A109 – Target Attribute Filter for OpenTelemetry Metrics
https://github.com/grpc/proposal/pull/528

Run Details

35350 of 39866 relevant lines covered (88.67%)

0.89 hits per line

Uncovered Existing Lines

Lines	Coverage	∆	File
1	93.21	-0.14%	../okhttp/src/main/java/io/grpc/okhttp/OkHttpClientTransport.java
1	91.9	-0.48%	../xds/src/main/java/io/grpc/xds/client/ControlPlaneClient.java
2	74.14	-1.72%	../servlet/src/main/java/io/grpc/servlet/ServletServerStream.java
7	95.0	-0.4%	../opentelemetry/src/main/java/io/grpc/opentelemetry/GrpcOpenTelemetry.java
21	92.97	0.18%	../opentelemetry/src/main/java/io/grpc/opentelemetry/OpenTelemetryMetricsModule.java

Jobs

ID	Job ID	Ran	Files	Coverage
1	#20144.1	11 Jan 2026 08:08PM UTC	627	88.67

grpc / grpc-java / #20144
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grpc / grpc-java / #20144 89%

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