/*
* Licensed 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 com.facebook.presto.orc;
import com.facebook.presto.orc.memory.AggregatedMemoryContext;
import com.facebook.presto.orc.metadata.MetadataReader;
import com.facebook.presto.orc.metadata.OrcMetadataReader;
import com.facebook.presto.spi.block.Block;
import com.facebook.presto.spi.type.DecimalType;
import com.facebook.presto.spi.type.SqlDecimal;
import com.google.common.collect.ImmutableMap;
import io.airlift.units.DataSize;
import org.joda.time.DateTimeZone;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
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.TearDown;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import org.openjdk.jmh.runner.options.VerboseMode;
import org.testng.annotations.Test;
import java.io.File;
import java.io.IOException;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import static com.facebook.presto.orc.OrcTester.Compression.NONE;
import static com.facebook.presto.orc.OrcTester.Format.ORC_12;
import static com.facebook.presto.orc.OrcTester.writeOrcColumn;
import static com.facebook.presto.spi.type.DecimalType.createDecimalType;
import static com.google.common.io.Files.createTempDir;
import static io.airlift.testing.FileUtils.deleteRecursively;
import static io.airlift.units.DataSize.Unit.MEGABYTE;
import static java.util.UUID.randomUUID;
@SuppressWarnings("MethodMayBeStatic")
@State(Scope.Thread)
@OutputTimeUnit(TimeUnit.SECONDS)
@Fork(3)
@Warmup(iterations = 20, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 20, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@BenchmarkMode(Mode.AverageTime)
public class BenchmarkOrcDecimalReader
{
public static final DecimalType DECIMAL_TYPE = createDecimalType(30, 10);
@Benchmark
public Object readDecimal(BenchmarkData data)
throws Throwable
{
OrcRecordReader recordReader = data.createRecordReader();
List<Block> blocks = new ArrayList<>();
while (recordReader.nextBatch() > 0) {
Block block = recordReader.readBlock(DECIMAL_TYPE, 0);
blocks.add(block);
}
return blocks;
}
@Test
public void testReadDecimal()
throws Throwable
{
BenchmarkData data = new BenchmarkData();
data.setup();
readDecimal(data);
}
@SuppressWarnings("FieldMayBeFinal")
@State(Scope.Thread)
public static class BenchmarkData
{
private File temporary;
private File dataPath;
@Setup
public void setup()
throws Exception
{
temporary = createTempDir();
dataPath = new File(temporary, randomUUID().toString());
writeOrcColumn(dataPath, ORC_12, NONE, DECIMAL_TYPE, createDecimalValues().iterator());
}
@TearDown
public void tearDown()
{
deleteRecursively(temporary);
}
private OrcRecordReader createRecordReader()
throws IOException
{
OrcDataSource dataSource = new FileOrcDataSource(dataPath, new DataSize(1, MEGABYTE), new DataSize(1, MEGABYTE), new DataSize(1, MEGABYTE));
MetadataReader metadataReader = new OrcMetadataReader();
OrcReader orcReader = new OrcReader(dataSource, metadataReader, new DataSize(1, MEGABYTE), new DataSize(1, MEGABYTE));
return orcReader.createRecordReader(
ImmutableMap.of(0, DECIMAL_TYPE),
OrcPredicate.TRUE,
DateTimeZone.forID("Asia/Katmandu"),
new AggregatedMemoryContext());
}
private List<SqlDecimal> createDecimalValues()
{
Random random = new Random();
List<SqlDecimal> values = new ArrayList<>();
for (int i = 0; i < 1000000; ++i) {
values.add(new SqlDecimal(BigInteger.valueOf(random.nextLong() % 10000000000L), 10, 5));
}
return values;
}
}
public static void main(String[] args)
throws Throwable
{
// assure the benchmarks are valid before running
BenchmarkData data = new BenchmarkData();
data.setup();
new BenchmarkOrcDecimalReader().readDecimal(data);
Options options = new OptionsBuilder()
.verbosity(VerboseMode.NORMAL)
.include(".*" + BenchmarkOrcDecimalReader.class.getSimpleName() + ".*")
.build();
new Runner(options).run();
}
}