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...hmarks/src/main/java/org/elasticsearch/benchmark/index/mapper/DynamicMapperBenchmark.java
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| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0 and the Server Side Public License, v 1; you may not use this file except | ||
| * in compliance with, at your election, the Elastic License 2.0 or the Server | ||
| * Side Public License, v 1. | ||
| */ | ||
|
|
||
| package org.elasticsearch.benchmark.index.mapper; | ||
|
|
||
| import org.elasticsearch.common.UUIDs; | ||
| import org.elasticsearch.common.bytes.BytesArray; | ||
| import org.elasticsearch.common.compress.CompressedXContent; | ||
| import org.elasticsearch.common.xcontent.XContentHelper; | ||
| import org.elasticsearch.index.mapper.DocumentMapper; | ||
| import org.elasticsearch.index.mapper.LuceneDocument; | ||
| import org.elasticsearch.index.mapper.MapperService; | ||
| import org.elasticsearch.index.mapper.Mapping; | ||
| import org.elasticsearch.index.mapper.ParsedDocument; | ||
| import org.elasticsearch.index.mapper.SourceToParse; | ||
| import org.elasticsearch.xcontent.XContentType; | ||
| 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.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 java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Random; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.DoubleStream; | ||
| import java.util.stream.IntStream; | ||
| import java.util.stream.Stream; | ||
|
|
||
| @Fork(value = 3) | ||
| @Warmup(iterations = 3) | ||
| @Measurement(iterations = 5) | ||
| @BenchmarkMode(Mode.AverageTime) | ||
| @OutputTimeUnit(TimeUnit.MILLISECONDS) | ||
| @State(Scope.Benchmark) | ||
| public class DynamicMapperBenchmark { | ||
|
|
||
| @Param({ "1600172297" }) | ||
| private long seed; | ||
|
|
||
| private Random random; | ||
| private SourceToParse[] sources; | ||
|
|
||
| @Setup | ||
| public void setUp() { | ||
| this.random = new Random(seed); | ||
| this.sources = generateRandomDocuments(500); | ||
| } | ||
|
|
||
| private SourceToParse[] generateRandomDocuments(int count) { | ||
| var docs = new SourceToParse[count]; | ||
| for (int i = 0; i < count; i++) { | ||
| docs[i] = generateRandomDocument(); | ||
| } | ||
| return docs; | ||
| } | ||
|
|
||
| private SourceToParse generateRandomDocument() { | ||
| int textFields = 50; | ||
| int intFields = 50; | ||
| int floatFields = 50; | ||
| int objFields = 10; | ||
| int objFieldDepth = 10; | ||
| int fieldValueCountMax = 25; | ||
| StringBuilder builder = new StringBuilder(); | ||
| builder.append("{"); | ||
| for (int i = 0; i < textFields; i++) { | ||
| if (random.nextBoolean()) { | ||
| StringBuilder fieldValueBuilder = generateTextField(fieldValueCountMax); | ||
| builder.append("\"text_field_").append(i).append("\":").append(fieldValueBuilder).append(","); | ||
| } | ||
| } | ||
| for (int i = 0; i < intFields; i++) { | ||
| if (random.nextBoolean()) { | ||
| int fieldValueCount = random.nextInt(fieldValueCountMax); | ||
| builder.append("\"int_field_") | ||
| .append(i) | ||
| .append("\":") | ||
| .append(Arrays.toString(IntStream.generate(() -> random.nextInt()).limit(fieldValueCount).toArray())) | ||
| .append(","); | ||
| } | ||
| } | ||
| for (int i = 0; i < floatFields; i++) { | ||
| if (random.nextBoolean()) { | ||
| int fieldValueCount = random.nextInt(fieldValueCountMax); | ||
| builder.append("\"float_field_") | ||
| .append(i) | ||
| .append("\":") | ||
| .append(Arrays.toString(DoubleStream.generate(() -> random.nextFloat()).limit(fieldValueCount).toArray())) | ||
| .append(","); | ||
| } | ||
| } | ||
| for (int i = 0; i < objFields; i++) { | ||
| final int idx = i; | ||
| if (random.nextBoolean()) { | ||
| continue; | ||
| } | ||
| String objFieldPrefix = Stream.generate(() -> "obj_field_" + idx).limit(objFieldDepth).collect(Collectors.joining(".")); | ||
| for (int j = 0; j < textFields; j++) { | ||
| if (random.nextBoolean()) { | ||
| StringBuilder fieldValueBuilder = generateTextField(fieldValueCountMax); | ||
| builder.append("\"") | ||
| .append(objFieldPrefix) | ||
| .append(".text_field_") | ||
| .append(j) | ||
| .append("\":") | ||
| .append(fieldValueBuilder) | ||
| .append(","); | ||
| } | ||
| } | ||
| for (int j = 0; j < intFields; j++) { | ||
| if (random.nextBoolean()) { | ||
| int fieldValueCount = random.nextInt(fieldValueCountMax); | ||
| builder.append("\"") | ||
| .append(objFieldPrefix) | ||
| .append(".int_field_") | ||
| .append(j) | ||
| .append("\":") | ||
| .append(Arrays.toString(IntStream.generate(() -> random.nextInt()).limit(fieldValueCount).toArray())) | ||
| .append(","); | ||
| } | ||
| } | ||
| for (int j = 0; j < floatFields; j++) { | ||
| if (random.nextBoolean()) { | ||
| int fieldValueCount = random.nextInt(fieldValueCountMax); | ||
| builder.append("\"") | ||
| .append(objFieldPrefix) | ||
| .append(".float_field_") | ||
| .append(j) | ||
| .append("\":") | ||
| .append(Arrays.toString(DoubleStream.generate(() -> random.nextFloat()).limit(fieldValueCount).toArray())) | ||
| .append(","); | ||
| } | ||
| } | ||
| } | ||
| if (builder.charAt(builder.length() - 1) == ',') { | ||
| builder.deleteCharAt(builder.length() - 1); | ||
| } | ||
| builder.append("}"); | ||
| return new SourceToParse(UUIDs.randomBase64UUID(), new BytesArray(builder.toString()), XContentType.JSON); | ||
| } | ||
|
|
||
| private StringBuilder generateTextField(int fieldValueCountMax) { | ||
| int fieldValueCount = random.nextInt(fieldValueCountMax); | ||
| StringBuilder fieldValueBuilder = new StringBuilder(); | ||
| fieldValueBuilder.append("["); | ||
| for (int j = 0; j < fieldValueCount - 1; j++) { | ||
| fieldValueBuilder.append("\"").append(randomString(6)).append("\"").append(","); | ||
| } | ||
| return fieldValueBuilder.append("\"").append(randomString(6)).append("\"").append("]"); | ||
| } | ||
|
|
||
| private String randomString(int maxLength) { | ||
| var length = random.nextInt(maxLength); | ||
| var builder = new StringBuilder(length); | ||
| for (int i = 0; i < length; i++) { | ||
| builder.append((byte) (32 + random.nextInt(94))); | ||
| } | ||
| return builder.toString(); | ||
| } | ||
|
|
||
| @SafeVarargs | ||
| @SuppressWarnings("varargs") | ||
| private <T> T randomFrom(T... items) { | ||
| return items[random.nextInt(items.length)]; | ||
| } | ||
|
|
||
| @Benchmark | ||
| public List<LuceneDocument> benchmarkDynamicallyCreatedFields() throws Exception { | ||
| MapperService mapperService = MapperServiceFactory.create("{}"); | ||
| for (int i = 0; i < 25; i++) { | ||
| DocumentMapper documentMapper = mapperService.documentMapper(); | ||
| Mapping mapping = null; | ||
| if (documentMapper == null) { | ||
| documentMapper = DocumentMapper.createEmpty(mapperService); | ||
| mapping = documentMapper.mapping(); | ||
| } | ||
| ParsedDocument doc = documentMapper.parse(randomFrom(sources)); | ||
| if (mapping != null) { | ||
| doc.addDynamicMappingsUpdate(mapping); | ||
| } | ||
| if (doc.dynamicMappingsUpdate() != null) { | ||
| mapperService.merge( | ||
| "_doc", | ||
| new CompressedXContent(XContentHelper.toXContent(doc.dynamicMappingsUpdate(), XContentType.JSON, false)), | ||
| MapperService.MergeReason.MAPPING_UPDATE | ||
| ); | ||
| } | ||
| } | ||
| return mapperService.documentMapper().parse(randomFrom(sources)).docs(); | ||
| } | ||
| } |
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