| /* |
| * 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.benchmark; |
| |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.configuration.NettyShuffleEnvironmentOptions; |
| import org.apache.flink.runtime.state.memory.MemoryStateBackend; |
| import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; |
| |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| |
| import java.io.IOException; |
| |
| import static org.openjdk.jmh.annotations.Scope.Thread; |
| |
| @State(Thread) |
| public class FlinkEnvironmentContext { |
| |
| public static final int NUM_NETWORK_BUFFERS = 1000; |
| |
| public StreamExecutionEnvironment env; |
| |
| protected final int parallelism = 1; |
| protected final boolean objectReuse = true; |
| |
| @Setup |
| public void setUp() throws IOException { |
| // set up the execution environment |
| env = getStreamExecutionEnvironment(); |
| env.setParallelism(parallelism); |
| env.getConfig().disableSysoutLogging(); |
| if (objectReuse) { |
| env.getConfig().enableObjectReuse(); |
| } |
| |
| env.setStateBackend(new MemoryStateBackend()); |
| } |
| |
| public void execute() throws Exception { |
| env.execute(); |
| } |
| |
| protected Configuration createConfiguration() { |
| final Configuration configuration = new Configuration(); |
| configuration.setInteger(NettyShuffleEnvironmentOptions.NETWORK_NUM_BUFFERS, NUM_NETWORK_BUFFERS); |
| return configuration; |
| } |
| |
| private StreamExecutionEnvironment getStreamExecutionEnvironment() { |
| return StreamExecutionEnvironment.createLocalEnvironment(1, createConfiguration()); |
| } |
| } |