/** * 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.hadoop.hdfs.server.namenode.analytics; import java.util.Map; import java.util.concurrent.TimeUnit; import org.apache.hadoop.hdfs.server.namenode.ConcurrentHashMapINodeCollection; import org.apache.hadoop.hdfs.server.namenode.EclipseINodeCollection; import org.apache.hadoop.hdfs.server.namenode.GSetGenerator; import org.apache.hadoop.hdfs.server.namenode.INode; import org.apache.hadoop.hdfs.server.namenode.INodeWithAdditionalFields; import org.apache.hadoop.hdfs.server.namenode.NonBlockingHashMapINodeCollection; import org.apache.hadoop.util.GSet; import org.openjdk.jmh.annotations.Benchmark; import org.openjdk.jmh.annotations.BenchmarkMode; import org.openjdk.jmh.annotations.Fork; import org.openjdk.jmh.annotations.Level; import org.openjdk.jmh.annotations.Measurement; import org.openjdk.jmh.annotations.Mode; import org.openjdk.jmh.annotations.OutputTimeUnit; import org.openjdk.jmh.annotations.Scope; import org.openjdk.jmh.annotations.Setup; import org.openjdk.jmh.annotations.State; import org.openjdk.jmh.annotations.Warmup; import org.openjdk.jmh.profile.GCProfiler; import org.openjdk.jmh.runner.Runner; import org.openjdk.jmh.runner.RunnerException; import org.openjdk.jmh.runner.options.Options; import org.openjdk.jmh.runner.options.OptionsBuilder; @State(Scope.Benchmark) @BenchmarkMode(Mode.AverageTime) @OutputTimeUnit(TimeUnit.SECONDS) @Fork(1) @Warmup(iterations = 5, time = 1) @Measurement(iterations = 5, time = 1) public class BenchmarkGSetFiltering { private GSet<INode, INodeWithAdditionalFields> gset; public static void main(String[] args) throws RunnerException { Options opt = new OptionsBuilder() .include(".*" + BenchmarkGSetFiltering.class.getSimpleName() + ".*") .warmupIterations(5) .measurementIterations(5) .addProfiler(MemoryProfiler.class) .addProfiler(GCProfiler.class) .forks(1) .build(); new Runner(opt).run(); } @Setup(Level.Trial) public void doSetup() { GSetGenerator gSetGenerator = new GSetGenerator(); gset = gSetGenerator.getGSet((short) 3, 15, 500); } @Benchmark public void benchmarkConcurrentJavaFiltering() { ConcurrentHashMapINodeCollection concurrent = new ConcurrentHashMapINodeCollection(); Map<INode, INodeWithAdditionalFields> files = concurrent.filterFiles(gset); Map<INode, INodeWithAdditionalFields> dirs = concurrent.filterDirs(gset); MemoryProfiler.keepReference(files); MemoryProfiler.keepReference(dirs); } @Benchmark public void benchmarkNonBlockingHashMapFiltering() { NonBlockingHashMapINodeCollection concurrent = new NonBlockingHashMapINodeCollection(); Map<INode, INodeWithAdditionalFields> files = concurrent.filterFiles(gset); Map<INode, INodeWithAdditionalFields> dirs = concurrent.filterDirs(gset); MemoryProfiler.keepReference(files); MemoryProfiler.keepReference(dirs); } @Benchmark public void benchmarkEclipseConcurrentFiltering() { EclipseINodeCollection concurrent = new EclipseINodeCollection(); Map<INode, INodeWithAdditionalFields> files = concurrent.filterFiles(gset); Map<INode, INodeWithAdditionalFields> dirs = concurrent.filterDirs(gset); MemoryProfiler.keepReference(files); MemoryProfiler.keepReference(dirs); } }