zhijiangW commented on a change in pull request #8320:
[FLINK-12201][network,metrics] Introduce InputGateWithMetrics in Task to
increment numBytesIn metric
URL: https://github.com/apache/flink/pull/8320#discussion_r290178064
##########
File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/io/benchmark/StreamNetworkBenchmarkEnvironment.java
##########
@@ -270,4 +266,18 @@ private InputGateDeploymentDescriptor
createInputGateDeploymentDescriptor(
consumedSubpartitionIndex,
channelDescriptors);
}
+
+ private InputGate createInputGateWithMetrics(
+ SingleInputGateFactory gateFactory,
+ InputGateDeploymentDescriptor gateDescriptor,
+ int channelIndex) {
+
+ final SingleInputGate singleGate = gateFactory.create(
+ "receiving task[" + channelIndex + "]",
+ gateDescriptor,
+ SingleInputGateBuilder.NO_OP_PRODUCER_CHECKER,
+
InputChannelTestUtils.newUnregisteredInputChannelMetrics());
+
+ return new InputGateWithMetrics(singleGate, new
SimpleCounter());
Review comment:
I could understand your concern here.
ATM the `InputGateWithMetrics` is only created in the benchmark which would
reflect the real process. Considering this wrapper is very easy to construct
and the duplication here is not obvious, just a local `singleGate` definition,
I think we could introduce another factory for this wrapped `InputGate` if
necessary later?
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