#20239
89%

Ran 14 Apr 2026 05:44PM UTC

Jobs 1

Files 647

Run time 2min

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Committed 14 Apr 2026 05:21PM UTC coverage: 88.809% (-0.003%) from 88.812%

Build # #20239

Build Type

push

github

Committed by

web-flow

Commit Message

core,xds: Fix backend_service plumbing for subchannel metrics (#12735)

This PR fixes #12432.

Subchannel metrics read backend_service from EAG attributes, but xDS
currently only populates the resolution result attribute. As a result,
grpc.lb.backend_service is left unset for subchannel metrics in the cds
path.

This change adds an internal EAG-level backend_service attribute in cds
and has InternalSubchannel read that attribute for subchannel metrics,
while keeping a fallback to the existing resolution result attribute.

This PR is intentionally scoped to subchannel metrics only and does not
attempt the broader #12431 plumbing changes.

Coverage Stats

36022 of 40561 relevant lines covered (88.81%)

0.89 hits per line

Coverage Regressions

Lines	Coverage	∆	File
13	92.9	0.02%	../xds/src/main/java/io/grpc/xds/CdsLoadBalancer2.java
10	96.33	0.06%	../core/src/main/java/io/grpc/internal/InternalSubchannel.java
3	95.07	-0.44%	../core/src/main/java/io/grpc/internal/RetriableStream.java
3	74.14	-2.59%	../servlet/src/main/java/io/grpc/servlet/ServletServerStream.java
2	94.59	0.31%	../api/src/main/java/io/grpc/EquivalentAddressGroup.java
1	87.88	-3.03%	../netty/src/main/java/io/grpc/netty/ClientTransportLifecycleManager.java

Jobs

ID	Job ID	Ran	Files	Coverage
1	#20239.1	14 Apr 2026 05:44PM UTC	647	88.81

grpc / grpc-java / #20239
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