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146
benchmarks/src/test/java/org/apache/druid/benchmark/MsqSketchesBenchmark.java
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| /* | ||
| * 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.druid.benchmark; | ||
|
|
||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.google.common.collect.ImmutableList; | ||
| import org.apache.druid.frame.key.ClusterBy; | ||
| import org.apache.druid.frame.key.KeyColumn; | ||
| import org.apache.druid.frame.key.KeyOrder; | ||
| import org.apache.druid.frame.key.KeyTestUtils; | ||
| import org.apache.druid.frame.key.RowKey; | ||
| import org.apache.druid.java.util.common.StringUtils; | ||
| import org.apache.druid.msq.statistics.ClusterByStatisticsCollectorImpl; | ||
| import org.apache.druid.msq.statistics.ClusterByStatisticsSnapshot; | ||
| import org.apache.druid.msq.statistics.serde.ClusterByStatisticsSnapshotSerde; | ||
| import org.apache.druid.segment.TestHelper; | ||
| import org.apache.druid.segment.column.ColumnType; | ||
| import org.apache.druid.segment.column.RowSignature; | ||
| import org.apache.druid.testing.InitializedNullHandlingTest; | ||
| 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.Param; | ||
| 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.infra.Blackhole; | ||
|
|
||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.nio.ByteBuffer; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.stream.LongStream; | ||
|
|
||
| @State(Scope.Benchmark) | ||
| @Fork(value = 1) | ||
| @Warmup(iterations = 3) | ||
| @Measurement(iterations = 5) | ||
| public class MsqSketchesBenchmark extends InitializedNullHandlingTest | ||
| { | ||
| private static final int MAX_BYTES = 1_000_000_000; | ||
| private static final int MAX_BUCKETS = 10_000; | ||
|
|
||
| private static final RowSignature SIGNATURE = RowSignature.builder() | ||
| .add("x", ColumnType.LONG) | ||
| .add("y", ColumnType.LONG) | ||
| .add("z", ColumnType.STRING) | ||
| .build(); | ||
|
|
||
| private static final ClusterBy CLUSTER_BY_XYZ_BUCKET_BY_X = new ClusterBy( | ||
| ImmutableList.of( | ||
| new KeyColumn("x", KeyOrder.ASCENDING), | ||
| new KeyColumn("y", KeyOrder.ASCENDING), | ||
| new KeyColumn("z", KeyOrder.ASCENDING) | ||
| ), | ||
| 1 | ||
| ); | ||
|
|
||
| @Param({"1", "1000"}) | ||
| private long numBuckets; | ||
|
|
||
| @Param({"100000", "1000000"}) | ||
| private long numRows; | ||
|
|
||
| @Param({"true", "false"}) | ||
| private boolean aggregate; | ||
|
|
||
| private ObjectMapper jsonMapper; | ||
| private ClusterByStatisticsSnapshot snapshot; | ||
|
|
||
| @Setup(Level.Trial) | ||
| public void setup() | ||
| { | ||
| jsonMapper = TestHelper.makeJsonMapper(); | ||
| final Iterable<RowKey> keys = () -> | ||
| LongStream.range(0, numRows) | ||
| .mapToObj(n -> createKey(numBuckets, n)) | ||
| .iterator(); | ||
|
|
||
| ClusterByStatisticsCollectorImpl collector = makeCollector(aggregate); | ||
| keys.forEach(k -> collector.add(k, 1)); | ||
| snapshot = collector.snapshot(); | ||
| } | ||
|
|
||
| @Benchmark | ||
| @BenchmarkMode(Mode.AverageTime) | ||
| @OutputTimeUnit(TimeUnit.MILLISECONDS) | ||
| public void benchmarkJacksonSketch(Blackhole blackhole) throws IOException | ||
| { | ||
| final byte[] serializedSnapshot = jsonMapper.writeValueAsBytes(snapshot); | ||
|
|
||
| final ClusterByStatisticsSnapshot deserializedSnapshot = jsonMapper.readValue( | ||
| serializedSnapshot, | ||
| ClusterByStatisticsSnapshot.class | ||
| ); | ||
| blackhole.consume(deserializedSnapshot); | ||
| } | ||
|
|
||
| @Benchmark | ||
| @BenchmarkMode(Mode.AverageTime) | ||
| @OutputTimeUnit(TimeUnit.MILLISECONDS) | ||
| public void benchmarkOctetSketch(Blackhole blackhole) throws IOException | ||
| { | ||
| ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); | ||
| ClusterByStatisticsSnapshotSerde.serialize(byteArrayOutputStream, snapshot); | ||
| final ByteBuffer serializedSnapshot = ByteBuffer.wrap(byteArrayOutputStream.toByteArray()); | ||
| final ClusterByStatisticsSnapshot deserializedSnapshot = ClusterByStatisticsSnapshotSerde.deserialize(serializedSnapshot); | ||
| blackhole.consume(deserializedSnapshot); | ||
| } | ||
|
|
||
| private ClusterByStatisticsCollectorImpl makeCollector(final boolean aggregate) | ||
| { | ||
| return (ClusterByStatisticsCollectorImpl) ClusterByStatisticsCollectorImpl.create(MsqSketchesBenchmark.CLUSTER_BY_XYZ_BUCKET_BY_X, SIGNATURE, MAX_BYTES, MAX_BUCKETS, aggregate, false); | ||
| } | ||
|
|
||
| private static RowKey createKey(final long numBuckets, final long keyNo) | ||
| { | ||
| final Object[] key = new Object[3]; | ||
| key[0] = keyNo % numBuckets; | ||
| key[1] = keyNo % 5; | ||
| key[2] = StringUtils.repeat("*", 67); | ||
| return KeyTestUtils.createKey(KeyTestUtils.createKeySignature(MsqSketchesBenchmark.CLUSTER_BY_XYZ_BUCKET_BY_X.getColumns(), SIGNATURE), key); | ||
| } | ||
| } |
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