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benchmarks/src/test/java/org/apache/druid/benchmark/GroupByDeserializationBenchmark.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.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import org.apache.druid.common.config.NullHandling; | ||
| import org.apache.druid.guice.NestedDataModule; | ||
| import org.apache.druid.jackson.AggregatorsModule; | ||
| import org.apache.druid.java.util.common.DateTimes; | ||
| import org.apache.druid.java.util.common.Pair; | ||
| import org.apache.druid.java.util.common.StringUtils; | ||
| import org.apache.druid.java.util.common.granularity.Granularities; | ||
| import org.apache.druid.query.QueryRunnerTestHelper; | ||
| import org.apache.druid.query.aggregation.SerializablePairLongString; | ||
| import org.apache.druid.query.aggregation.post.ConstantPostAggregator; | ||
| import org.apache.druid.query.dimension.DefaultDimensionSpec; | ||
| import org.apache.druid.query.dimension.DimensionSpec; | ||
| import org.apache.druid.query.groupby.GroupByQuery; | ||
| import org.apache.druid.query.groupby.GroupByQueryConfig; | ||
| import org.apache.druid.query.groupby.GroupByQueryQueryToolChest; | ||
| import org.apache.druid.query.groupby.ResultRow; | ||
| import org.apache.druid.segment.TestHelper; | ||
| import org.apache.druid.segment.column.ColumnType; | ||
| 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.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| @State(Scope.Benchmark) | ||
| @Fork(value = 1) | ||
| @Warmup(iterations = 3) | ||
| @Measurement(iterations = 5) | ||
| public class GroupByDeserializationBenchmark | ||
| { | ||
|
|
||
| static { | ||
| NullHandling.initializeForTests(); | ||
| NestedDataModule.registerHandlersAndSerde(); | ||
| AggregatorsModule.registerComplexMetricsAndSerde(); | ||
| } | ||
|
|
||
| @Param({"100", "1000"}) | ||
| private int numDimensions; | ||
|
|
||
| @Param({"0", "0.25", "0.5", "0.75", "0.85", "0.95", "0.99", "1.0"}) | ||
| private double primitiveToComplexDimensionRatio; | ||
|
|
||
| @Param({"json", "serializablePairLongString"}) | ||
| private String complexDimensionType; | ||
|
|
||
| @Param({"true", "false"}) | ||
| private boolean backwardCompatibility; | ||
|
|
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| private GroupByQuery sqlQuery; | ||
| private String serializedRow; | ||
| private GroupByQueryQueryToolChest groupByQueryQueryToolChest; | ||
| private ObjectMapper decoratedMapper; | ||
|
|
||
| @Setup(Level.Trial) | ||
| public void setup() throws JsonProcessingException | ||
| { | ||
| final ObjectMapper undecoratedMapper = TestHelper.makeJsonMapper(); | ||
| undecoratedMapper.registerModules(NestedDataModule.getJacksonModulesList()); | ||
| undecoratedMapper.registerModule(new AggregatorsModule()); | ||
| final Pair<GroupByQuery, String> sqlQueryAndResultRow = sqlQueryAndResultRow( | ||
| numDimensions, | ||
| primitiveToComplexDimensionRatio, | ||
| complexDimensionType, | ||
| undecoratedMapper | ||
| ); | ||
| sqlQuery = sqlQueryAndResultRow.lhs; | ||
| serializedRow = sqlQueryAndResultRow.rhs; | ||
|
|
||
| groupByQueryQueryToolChest = new GroupByQueryQueryToolChest( | ||
| null, | ||
| () -> new GroupByQueryConfig() | ||
| { | ||
| @Override | ||
| public boolean isIntermediateResultAsMapCompat() | ||
| { | ||
| return backwardCompatibility; | ||
| } | ||
| }, | ||
| null, | ||
| null | ||
| ); | ||
|
|
||
| decoratedMapper = groupByQueryQueryToolChest.decorateObjectMapper(undecoratedMapper, sqlQuery); | ||
| } | ||
|
|
||
| @Benchmark | ||
| @BenchmarkMode(Mode.AverageTime) | ||
| @OutputTimeUnit(TimeUnit.MICROSECONDS) | ||
| public void deserializeResultRows(Blackhole blackhole) throws JsonProcessingException | ||
| { | ||
| blackhole.consume(decoratedMapper.readValue(serializedRow, ResultRow.class)); | ||
| } | ||
|
|
||
| private static Pair<GroupByQuery, String> sqlQueryAndResultRow( | ||
| final int numDimensions, | ||
| final double primitiveToComplexDimensionRatio, | ||
| final String complexDimensionType, | ||
| final ObjectMapper mapper | ||
| ) throws JsonProcessingException | ||
| { | ||
| final int numPrimitiveDimensions = (int) Math.floor(primitiveToComplexDimensionRatio * numDimensions); | ||
| final int numComplexDimensions = numDimensions - numPrimitiveDimensions; | ||
|
|
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| final List<DimensionSpec> dimensions = new ArrayList<>(); | ||
| final List<Object> rowList = new ArrayList<>(); | ||
|
|
||
| // Add timestamp | ||
| rowList.add(DateTimes.of("2000").getMillis()); | ||
|
|
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| for (int i = 0; i < numPrimitiveDimensions; ++i) { | ||
| dimensions.add( | ||
| new DefaultDimensionSpec( | ||
| StringUtils.format("primitive%d", i), | ||
| StringUtils.format("primitive%d", i), | ||
| ColumnType.STRING | ||
| ) | ||
| ); | ||
| rowList.add("foo"); | ||
| } | ||
|
|
||
| for (int i = 0; i < numComplexDimensions; ++i) { | ||
| dimensions.add( | ||
| new DefaultDimensionSpec( | ||
| StringUtils.format("complex%d", i), | ||
| StringUtils.format("complex%d", i), | ||
| ColumnType.ofComplex(complexDimensionType) | ||
| ) | ||
| ); | ||
|
|
||
| // Serialized version of this object is a valid value for both json and long-string pair dimensions | ||
| rowList.add(new SerializablePairLongString(1L, "test")); | ||
| } | ||
|
|
||
| // Add aggregator | ||
| rowList.add(100); | ||
|
|
||
| // Add post aggregator | ||
| rowList.add(10.0); | ||
|
|
||
| GroupByQuery query = GroupByQuery.builder() | ||
| .setDataSource("foo") | ||
| .setQuerySegmentSpec(QueryRunnerTestHelper.FULL_ON_INTERVAL_SPEC) | ||
| .setDimensions(dimensions) | ||
| .setAggregatorSpecs(QueryRunnerTestHelper.ROWS_COUNT) | ||
| .setPostAggregatorSpecs(Collections.singletonList(new ConstantPostAggregator( | ||
| "post", | ||
| 10 | ||
| ))) | ||
| .setContext(ImmutableMap.of(GroupByQueryConfig.CTX_KEY_ARRAY_RESULT_ROWS, true)) | ||
| .setGranularity(Granularities.DAY) | ||
| .build(); | ||
|
|
||
| return Pair.of(query, mapper.writeValueAsString(rowList)); | ||
| } | ||
| } |
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