| /* |
| * |
| * 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.distributedlog.tests; |
| |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.bookkeeper.stats.NullStatsLogger; |
| import org.apache.bookkeeper.stats.OpStatsLogger; |
| import org.apache.distributedlog.io.CompressionCodec; |
| import org.apache.distributedlog.io.CompressionCodec.Type; |
| import org.apache.distributedlog.io.CompressionUtils; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Param; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| |
| /** |
| * Benchmarking serialization and deserilization. |
| */ |
| @BenchmarkMode({ Mode.Throughput }) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| @State(Scope.Thread) |
| public class CompressionBenchmark { |
| |
| @Param({ "10", "100", "1000", "10000" }) |
| int size; |
| |
| byte[] entry; |
| byte[] compressedLz4; |
| byte[] compressedNone; |
| CompressionCodec codecLz4; |
| CompressionCodec codecNone; |
| OpStatsLogger opStatsLogger; |
| |
| @Setup |
| public void prepare() { |
| Random r = new Random(System.currentTimeMillis()); |
| this.entry = new byte[this.size]; |
| r.nextBytes(entry); |
| |
| this.codecLz4 = CompressionUtils.getCompressionCodec(Type.LZ4); |
| this.codecNone = CompressionUtils.getCompressionCodec(Type.NONE); |
| this.opStatsLogger = NullStatsLogger.INSTANCE.getOpStatsLogger(""); |
| this.compressedLz4 = codecLz4.compress(entry, 0, entry.length, opStatsLogger); |
| this.compressedNone = codecNone.compress(entry, 0, entry.length, opStatsLogger); |
| } |
| |
| |
| @Benchmark |
| public void testCompressLZ4() throws Exception { |
| testCompress(codecLz4); |
| } |
| |
| @Benchmark |
| public void testCompressNone() throws Exception { |
| testCompress(codecNone); |
| } |
| |
| private void testCompress(CompressionCodec codec) { |
| codec.compress(entry, 0, entry.length, opStatsLogger); |
| } |
| |
| @Benchmark |
| public void testDecompressLZ4() throws Exception { |
| testDecompress(codecLz4, compressedLz4); |
| } |
| |
| @Benchmark |
| public void testDecompressNone() throws Exception { |
| testDecompress(codecNone, compressedNone); |
| } |
| |
| private void testDecompress(CompressionCodec codec, byte[] compressed) { |
| codec.decompress(compressed, 0, compressed.length, opStatsLogger); |
| } |
| |
| } |