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Subject [GitHub] [flink] sunhaibotb commented on a change in pull request #8124: [FLINK-11877] Implement the runtime handling of the InputSelectable interface
Date Mon, 15 Apr 2019 10:52:24 GMT
sunhaibotb commented on a change in pull request #8124: [FLINK-11877] Implement the runtime
handling of the InputSelectable interface
URL: https://github.com/apache/flink/pull/8124#discussion_r275305386
 
 

 ##########
 File path: flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/io/benchmark/StreamTaskNonSelectableInputThroughputBenchmark.java
 ##########
 @@ -0,0 +1,122 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.streaming.runtime.io.benchmark;
+
+import org.apache.flink.runtime.io.network.partition.consumer.IterableInputChannel;
+import org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor;
+import org.apache.flink.streaming.runtime.io.benchmark.StreamTaskInputBenchmarkEnvironment.ProcessorAndChannels;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Task-input (non-selectable) throughput benchmarks executed by the external
+ * <a href="https://github.com/dataArtisans/flink-benchmarks">flink-benchmarks</a>
project.
+ */
+public class StreamTaskNonSelectableInputThroughputBenchmark extends StreamTaskInputThroughputBenchmarkBase
{
+
+	public void setUp(int numInputGates, int numChannelsPerGate, long numRecordsPerChannel)
throws Exception {
+		setUp(
+			numInputGates, numInputGates,
+			numChannelsPerGate, numChannelsPerGate,
+			numRecordsPerChannel, numRecordsPerChannel,
+			new SummingLongStreamOperator());
+	}
+
+	@Override
+	protected AbstractTaskInputProcessorThread createProcessorThread(
+		int numInputGates1,
+		int numInputGates2,
+		int numChannels1PerGate,
+		int numChannels2PerGate,
+		long numRecords1PerChannel,
+		long numRecords2PerChannel,
+		long inputValue1,
+		long inputValue2,
+		SummingLongStreamOperator streamOperator) throws IOException {
+
+		ProcessorAndChannels<StreamTwoInputProcessor<?, ?>, IterableInputChannel> processorAndChannels
=
+			environment.createTwoInputProcessor(
+				numInputGates1,
+				numInputGates2,
+				numChannels1PerGate,
+				numChannels2PerGate,
+				numRecords1PerChannel,
+				numRecords2PerChannel,
+				1,
+				2,
+				streamOperator);
+
+		return new StreamTwoInputProcessorThread(
+			processorAndChannels.processor(),
+			processorAndChannels.channels(),
+			streamOperator);
+	}
+
+	// ------------------------------------------------------------------------
+	//  Utilities
+	// ------------------------------------------------------------------------
+
+	private static class StreamTwoInputProcessorThread extends AbstractTaskInputProcessorThread
{
+
+		private final StreamTwoInputProcessor<?, ?> inputProcessor;
+
+		private final SummingLongStreamOperator streamOperator;
+
+		private volatile boolean continuousProcessing = true;
 
 Review comment:
   `continuousProcessing` is actually equivalent to `running` in `TwoInputStreamTask#run()`
and it is just right used to stop benchmarks.  About using `EndOfPartitionEvent`, reconstructing
`StreamTwoInputProcessor`  and `inputChannels`  may make some JIT optimization to be ineffective
and fail to achieve iterative warmup effect.

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