#20191
89%

Ran 11 Mar 2026 05:31PM UTC

Jobs 1

Files 630

Run time 2min

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Committed 11 Mar 2026 05:19PM UTC coverage: 88.675% (-0.01%) from 88.687%

Build # #20191

Build Type

push

github

Committed by

ejona86

Commit Message

core: Enable dns "caching" on Android

DnsNameResolver discards refresh requests if it has been too soon after
the last refresh, because the result is assumed to be identical to the
previous fetch. Android itself will adhere to the RR's TTL, so
requesting too frequently shouldn't have been causing too much I/O, but
it could be causing extra CPU usage. Having some lower limit will reduce
the number of useless address updates into the LB tree.

30 seconds is the same as regular Java and Go/C++ (which copied Java as
a "reasonable" value). Note that other languages _delay_ the refresh
instead of _discarding_ the refresh, but there's no reason why the
existing discard behavior would cause much problem on Android vs normal
Java. Chrome apparently uses 1 minute, so this really looks like it
shouldn't cause problems as long as AndroidChannelBuilder is being used.

Run Details

35462 of 39991 relevant lines covered (88.67%)

0.89 hits per line

Uncovered Existing Lines

Lines	Coverage	∆	File
1	47.62	-4.76%	../core/src/main/java/io/grpc/internal/PickSubchannelArgsImpl.java
1	87.6	-0.83%	../rls/src/main/java/io/grpc/rls/LinkedHashLruCache.java
4	91.9	-1.9%	../xds/src/main/java/io/grpc/xds/client/ControlPlaneClient.java
5	83.02	-9.43%	../core/src/main/java/io/grpc/internal/Http2Ping.java
15	91.67	0.0%	../core/src/main/java/io/grpc/internal/DnsNameResolver.java

Jobs

ID	Job ID	Ran	Files	Coverage
1	#20191.1	11 Mar 2026 05:31PM UTC	630	88.67

grpc / grpc-java / #20191
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grpc / grpc-java / #20191 89%

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