richardstartin commented on a change in pull request #7916: URL: https://github.com/apache/pinot/pull/7916#discussion_r770692340
########## File path: pinot-perf/src/main/java/org/apache/pinot/perf/BenchmarkFilteredAggregations.java ########## @@ -0,0 +1,192 @@ +/** + * 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.pinot.perf; + +import java.io.File; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.concurrent.TimeUnit; +import org.apache.commons.io.FileUtils; +import org.apache.pinot.queries.BaseQueriesTest; +import org.apache.pinot.segment.local.indexsegment.immutable.ImmutableSegmentLoader; +import org.apache.pinot.segment.local.segment.creator.impl.SegmentIndexCreationDriverImpl; +import org.apache.pinot.segment.local.segment.index.loader.IndexLoadingConfig; +import org.apache.pinot.segment.local.segment.readers.GenericRowRecordReader; +import org.apache.pinot.segment.spi.ImmutableSegment; +import org.apache.pinot.segment.spi.IndexSegment; +import org.apache.pinot.segment.spi.creator.SegmentGeneratorConfig; +import org.apache.pinot.spi.config.table.FieldConfig; +import org.apache.pinot.spi.config.table.TableConfig; +import org.apache.pinot.spi.config.table.TableType; +import org.apache.pinot.spi.data.FieldSpec; +import org.apache.pinot.spi.data.Schema; +import org.apache.pinot.spi.data.readers.GenericRow; +import org.apache.pinot.spi.data.readers.RecordReader; +import org.apache.pinot.spi.utils.builder.TableConfigBuilder; +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.infra.Blackhole; +import org.openjdk.jmh.runner.Runner; +import org.openjdk.jmh.runner.options.OptionsBuilder; + +@BenchmarkMode(Mode.AverageTime) +@OutputTimeUnit(TimeUnit.MILLISECONDS) +@Fork(1) +@Warmup(iterations = 3, time = 10) +@Measurement(iterations = 5, time = 10) +@State(Scope.Benchmark) +public class BenchmarkFilteredAggregations extends BaseQueriesTest { + + private static final File INDEX_DIR = new File(FileUtils.getTempDirectory(), "FilteredAggregationsTest"); + private static final String TABLE_NAME = "MyTable"; + private static final String FIRST_SEGMENT_NAME = "firstTestSegment"; + private static final String SECOND_SEGMENT_NAME = "secondTestSegment"; + private static final String INT_COL_NAME = "INT_COL"; + private static final String NO_INDEX_INT_COL_NAME = "NO_INDEX_INT_COL"; + private static final Integer INT_BASE_VALUE = 0; + private static final Integer NUM_ROWS = 1500000; + + private IndexSegment _indexSegment; + private List<IndexSegment> _indexSegments; + + public String _filteredQuery = "SELECT SUM(INT_COL) FILTER(WHERE INT_COL > 123 AND INT_COL < 599999)," + + "MAX(INT_COL) FILTER(WHERE INT_COL > 123 AND INT_COL < 599999) " + + "FROM MyTable WHERE NO_INDEX_INT_COL > 5 AND NO_INDEX_INT_COL < 1499999"; + + public String _nonFilteredQuery = "SELECT SUM(" + + "CASE " + + "WHEN (INT_COL > 123 AND INT_COL < 599999) THEN INT_COL " + + "ELSE 0 " + + "END) AS total_sum," + + "MAX(" + + "CASE " + + "WHEN (INT_COL > 123 AND INT_COL < 599999) THEN INT_COL " + + "ELSE 0 " + + "END) AS total_avg " + + "FROM MyTable WHERE NO_INDEX_INT_COL > 5 AND NO_INDEX_INT_COL < 1499999"; + + @Setup + public void setUp() + throws Exception { + FileUtils.deleteQuietly(INDEX_DIR); + + buildSegment(FIRST_SEGMENT_NAME); + buildSegment(SECOND_SEGMENT_NAME); + IndexLoadingConfig indexLoadingConfig = new IndexLoadingConfig(); + + Set<String> invertedIndexCols = new HashSet<>(); + invertedIndexCols.add(INT_COL_NAME); + + indexLoadingConfig.setRangeIndexColumns(invertedIndexCols); + indexLoadingConfig.setInvertedIndexColumns(invertedIndexCols); + + ImmutableSegment firstImmutableSegment = + ImmutableSegmentLoader.load(new File(INDEX_DIR, FIRST_SEGMENT_NAME), indexLoadingConfig); + ImmutableSegment secondImmutableSegment = + ImmutableSegmentLoader.load(new File(INDEX_DIR, SECOND_SEGMENT_NAME), indexLoadingConfig); + _indexSegment = firstImmutableSegment; + _indexSegments = Arrays.asList(firstImmutableSegment, secondImmutableSegment); + } + + @TearDown + public void tearDown() { + for (IndexSegment indexSegment : _indexSegments) { + indexSegment.destroy(); + } + + FileUtils.deleteQuietly(INDEX_DIR); + } + + private List<GenericRow> createTestData(int numRows) { + List<GenericRow> rows = new ArrayList<>(); + + for (int i = 0; i < numRows; i++) { + GenericRow row = new GenericRow(); + row.putField(INT_COL_NAME, INT_BASE_VALUE + i); + row.putField(NO_INDEX_INT_COL_NAME, INT_BASE_VALUE + i); + + rows.add(row); + } + return rows; + } + + private void buildSegment(String segmentName) + throws Exception { + List<GenericRow> rows = createTestData(NUM_ROWS); + List<FieldConfig> fieldConfigs = new ArrayList<>(); + + TableConfig tableConfig = new TableConfigBuilder(TableType.OFFLINE).setTableName(TABLE_NAME) + .setInvertedIndexColumns(Arrays.asList(INT_COL_NAME)).setFieldConfigList(fieldConfigs).build(); + Schema schema = new Schema.SchemaBuilder().setSchemaName(TABLE_NAME) + .addSingleValueDimension(NO_INDEX_INT_COL_NAME, FieldSpec.DataType.INT) + .addSingleValueDimension(INT_COL_NAME, FieldSpec.DataType.INT).build(); + SegmentGeneratorConfig config = new SegmentGeneratorConfig(tableConfig, schema); + config.setOutDir(INDEX_DIR.getPath()); + config.setTableName(TABLE_NAME); + config.setSegmentName(segmentName); + + SegmentIndexCreationDriverImpl driver = new SegmentIndexCreationDriverImpl(); + try (RecordReader recordReader = new GenericRowRecordReader(rows)) { + driver.init(config, recordReader); + driver.build(); + } + } + + @Benchmark + public void testFilteredAggregations(Blackhole blackhole) { + blackhole.consume(getBrokerResponseForSqlQuery(_filteredQuery)); + } + + @Benchmark + public void testNonFilteredAggregations(Blackhole blackhole) { + blackhole.consume(getBrokerResponseForSqlQuery(_nonFilteredQuery)); + } Review comment: Just FYI, it's ok and encouraged to just return the value here, no need to blackhole the value yourself. -- This is an automated message from the Apache Git Service. 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