| /* |
| * 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); |
| } |
| } |