1 /* 2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"). 5 * You may not use this file except in compliance with the License. 6 * A copy of the License is located at 7 * 8 * http://aws.amazon.com/apache2.0 9 * 10 * or in the "license" file accompanying this file. This file is distributed 11 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 12 * express or implied. See the License for the specific language governing 13 * permissions and limitations under the License. 14 */ 15 16 package software.amazon.awssdk.benchmark.coldstart; 17 18 import java.util.Collection; 19 import java.util.concurrent.TimeUnit; 20 import org.openjdk.jmh.annotations.Benchmark; 21 import org.openjdk.jmh.annotations.BenchmarkMode; 22 import org.openjdk.jmh.annotations.Fork; 23 import org.openjdk.jmh.annotations.Level; 24 import org.openjdk.jmh.annotations.Measurement; 25 import org.openjdk.jmh.annotations.Mode; 26 import org.openjdk.jmh.annotations.OutputTimeUnit; 27 import org.openjdk.jmh.annotations.Scope; 28 import org.openjdk.jmh.annotations.State; 29 import org.openjdk.jmh.annotations.TearDown; 30 import org.openjdk.jmh.annotations.Warmup; 31 import org.openjdk.jmh.infra.Blackhole; 32 import org.openjdk.jmh.profile.StackProfiler; 33 import org.openjdk.jmh.results.RunResult; 34 import org.openjdk.jmh.runner.Runner; 35 import org.openjdk.jmh.runner.RunnerException; 36 import org.openjdk.jmh.runner.options.CommandLineOptionException; 37 import org.openjdk.jmh.runner.options.CommandLineOptions; 38 import org.openjdk.jmh.runner.options.Options; 39 import org.openjdk.jmh.runner.options.OptionsBuilder; 40 import software.amazon.awssdk.http.apache.ApacheHttpClient; 41 import software.amazon.awssdk.services.dynamodb.DynamoDbClient; 42 43 /** 44 * Benchmark for creating the clients 45 */ 46 @State(Scope.Benchmark) 47 @BenchmarkMode(Mode.SampleTime) 48 @OutputTimeUnit(TimeUnit.MILLISECONDS) 49 @Warmup(iterations = 3) 50 @Measurement(iterations = 5) 51 @Fork(3) 52 public class V2DefaultClientCreationBenchmark implements SdkClientCreationBenchmark { 53 54 private DynamoDbClient client; 55 56 @Override 57 @Benchmark createClient(Blackhole blackhole)58 public void createClient(Blackhole blackhole) throws Exception { 59 client = DynamoDbClient.builder() 60 .endpointDiscoveryEnabled(false) 61 .httpClient(ApacheHttpClient.builder().build()).build(); 62 blackhole.consume(client); 63 } 64 65 @TearDown(Level.Trial) tearDown()66 public void tearDown() throws Exception { 67 if (client != null) { 68 client.close(); 69 } 70 } 71 main(String... args)72 public static void main(String... args) throws RunnerException, CommandLineOptionException { 73 Options opt = new OptionsBuilder() 74 .parent(new CommandLineOptions()) 75 .include(V2DefaultClientCreationBenchmark.class.getSimpleName()) 76 .addProfiler(StackProfiler.class) 77 .build(); 78 Collection<RunResult> run = new Runner(opt).run(); 79 } 80 } 81