Github user casidiablo commented on a diff in the pull request:
https://github.com/apache/flink/pull/5134#discussion_r155667757
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/benchmark/SerializingLongReceiver.java
---
@@ -0,0 +1,101 @@
+/*
+ * 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.runtime.io.network.benchmark;
+
+import org.apache.flink.runtime.io.network.api.reader.MutableRecordReader;
+import org.apache.flink.runtime.io.network.partition.consumer.InputGate;
+import org.apache.flink.runtime.util.EnvironmentInformation;
+import org.apache.flink.types.LongValue;
+
+/**
+ * {@link ReceiverThread} that deserialize incoming messages.
+ */
+public class SerializingLongReceiver extends ReceiverThread {
+
+ private long maxLatency = Long.MIN_VALUE;
+ private long minLatency = Long.MAX_VALUE;
+ private long sumLatency;
+ private long sumLatencySquare;
+ private int numSamples;
+
+ private final MutableRecordReader<LongValue> reader;
+
+ public SerializingLongReceiver(InputGate inputGate, int
expectedRepetitionsOfExpectedRecord) {
+ super(expectedRepetitionsOfExpectedRecord);
+ this.reader = new MutableRecordReader<>(
+ inputGate,
+ new String[]{
+ EnvironmentInformation.getTemporaryFileDirectory()
+ });
+ }
+
+ protected void readRecords(long lastExpectedRecord) throws Exception {
--- End diff --
Add `@Override`?
---
