manojpec commented on a change in pull request #4352: URL: https://github.com/apache/hudi/pull/4352#discussion_r780119895
########## File path: hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomMetaIndexBatchCheckFunction.java ########## @@ -0,0 +1,155 @@ +/* + * 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.hudi.index.bloom; + +import org.apache.hadoop.fs.Path; +import org.apache.hudi.common.bloom.BloomFilterTypeCode; +import org.apache.hudi.common.bloom.HoodieDynamicBoundedBloomFilter; +import org.apache.hudi.common.model.HoodieBaseFile; +import org.apache.hudi.common.model.HoodieKey; +import org.apache.hudi.common.util.HoodieTimer; +import org.apache.hudi.common.util.Option; +import org.apache.hudi.common.util.ValidationUtils; +import org.apache.hudi.common.util.collection.Pair; +import org.apache.hudi.common.util.hash.FileIndexID; +import org.apache.hudi.common.util.hash.PartitionIndexID; +import org.apache.hudi.config.HoodieWriteConfig; +import org.apache.hudi.exception.HoodieIndexException; +import org.apache.hudi.io.HoodieKeyMetaIndexBatchLookupHandle.MetaBloomIndexGroupedKeyLookupResult; +import org.apache.hudi.io.storage.HoodieFileReader; +import org.apache.hudi.io.storage.HoodieFileReaderFactory; +import org.apache.hudi.table.HoodieTable; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; +import org.apache.spark.api.java.function.Function2; +import scala.Tuple2; + +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; + +/** + * Function performing actual checking of RDD partition containing (fileId, hoodieKeys) against the actual files. + */ +public class HoodieBloomMetaIndexBatchCheckFunction implements + Function2<Integer, Iterator<Tuple2<String, HoodieKey>>, Iterator<List<MetaBloomIndexGroupedKeyLookupResult>>> { + + private static final Logger LOG = LogManager.getLogger(HoodieBloomMetaIndexBatchCheckFunction.class); + private final HoodieTable hoodieTable; + private final HoodieWriteConfig config; + + public HoodieBloomMetaIndexBatchCheckFunction(HoodieTable hoodieTable, HoodieWriteConfig config) { + this.hoodieTable = hoodieTable; + this.config = config; + } + + @Override + public Iterator<List<MetaBloomIndexGroupedKeyLookupResult>> call(Integer integer, Iterator<Tuple2<String, HoodieKey>> tuple2Iterator) throws Exception { + List<List<MetaBloomIndexGroupedKeyLookupResult>> resultList = new ArrayList<>(); + Map<Pair<String, String>, List<HoodieKey>> fileToKeysMap = new HashMap<>(); + + while (tuple2Iterator.hasNext()) { + Tuple2<String, HoodieKey> entry = tuple2Iterator.next(); + fileToKeysMap.computeIfAbsent(Pair.of(entry._2.getPartitionPath(), entry._1), k -> new ArrayList<>()).add(entry._2); + } + + List<Pair<PartitionIndexID, FileIndexID>> partitionIDFileIDList = + fileToKeysMap.keySet().stream().map(partitionFileIdPair -> { + return Pair.of(new PartitionIndexID(partitionFileIdPair.getLeft()), + new FileIndexID(partitionFileIdPair.getRight())); + }).collect(Collectors.toList()); + + Map<String, ByteBuffer> fileIDToBloomFilterByteBufferMap = Review comment: yes, getBloomFilters() internally has a treeSet to order the keys to be lookedup. Since I don't want to force on the callers the order of the keys, i kept the sorting at the next level. Btw, HoodieBloomMetaIndexBatchCheckFunction already operates at the minimal files as it is already sorted by file id by the caller. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@hudi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
