/* * 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.parquet.benchmarks; import org.apache.hadoop.fs.Path; import org.openjdk.jmh.annotations.Benchmark; import org.openjdk.jmh.annotations.BenchmarkMode; import org.openjdk.jmh.annotations.Level; import org.openjdk.jmh.annotations.Mode; import org.openjdk.jmh.annotations.Scope; import org.openjdk.jmh.annotations.Setup; import org.openjdk.jmh.annotations.State; import org.openjdk.jmh.annotations.TearDown; import org.openjdk.jmh.infra.Blackhole; import org.apache.parquet.example.data.Group; import org.apache.parquet.hadoop.ParquetReader; import org.apache.parquet.hadoop.example.GroupReadSupport; import static org.apache.parquet.benchmarks.BenchmarkConstants.*; import static org.apache.parquet.benchmarks.BenchmarkFiles.*; import java.io.IOException; @State(Scope.Benchmark) public class ReadBenchmarks { private void read(Path parquetFile, int nRows, Blackhole blackhole) throws IOException { ParquetReader<Group> reader = ParquetReader.builder(new GroupReadSupport(), parquetFile).withConf(configuration).build(); for (int i = 0; i < nRows; i++) { Group group = reader.read(); blackhole.consume(group.getBinary("binary_field", 0)); blackhole.consume(group.getInteger("int32_field", 0)); blackhole.consume(group.getLong("int64_field", 0)); blackhole.consume(group.getBoolean("boolean_field", 0)); blackhole.consume(group.getFloat("float_field", 0)); blackhole.consume(group.getDouble("double_field", 0)); blackhole.consume(group.getBinary("flba_field", 0)); blackhole.consume(group.getInt96("int96_field", 0)); } reader.close(); } /** * This needs to be done exactly once. To avoid needlessly regenerating the files for reading, they aren't cleaned * as part of the benchmark. If the files exist, a message will be printed and they will not be regenerated. */ @Setup(Level.Trial) public void generateFilesForRead() { new DataGenerator().generateAll(); } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsDefaultBlockAndPageSizeUncompressed(Blackhole blackhole) throws IOException { read(file_1M, ONE_MILLION, blackhole); } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsBS256MPS4MUncompressed(Blackhole blackhole) throws IOException { read(file_1M_BS256M_PS4M, ONE_MILLION, blackhole); } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsBS256MPS8MUncompressed(Blackhole blackhole) throws IOException { read(file_1M_BS256M_PS8M, ONE_MILLION, blackhole); } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsBS512MPS4MUncompressed(Blackhole blackhole) throws IOException { read(file_1M_BS512M_PS4M, ONE_MILLION, blackhole); } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsBS512MPS8MUncompressed(Blackhole blackhole) throws IOException { read(file_1M_BS512M_PS8M, ONE_MILLION, blackhole); } //TODO how to handle lzo jar? // @Benchmark // public void read1MRowsDefaultBlockAndPageSizeLZO(Blackhole blackhole) // throws IOException // { // read(parquetFile_1M_LZO, ONE_MILLION, blackhole); // } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsDefaultBlockAndPageSizeSNAPPY(Blackhole blackhole) throws IOException { read(file_1M_SNAPPY, ONE_MILLION, blackhole); } @Benchmark @BenchmarkMode(Mode.SingleShotTime) public void read1MRowsDefaultBlockAndPageSizeGZIP(Blackhole blackhole) throws IOException { read(file_1M_GZIP, ONE_MILLION, blackhole); } }