| /* |
| * 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.table.action.commit; |
| |
| import org.apache.hudi.client.WriteStatus; |
| import org.apache.hudi.common.fs.FSUtils; |
| import org.apache.hudi.common.model.HoodieKey; |
| import org.apache.hudi.common.model.HoodieRecord; |
| import org.apache.hudi.common.model.HoodieRecordPayload; |
| import org.apache.hudi.common.table.timeline.HoodieInstant; |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.execution.bulkinsert.BulkInsertInternalPartitionerFactory; |
| import org.apache.hudi.execution.bulkinsert.BulkInsertMapFunction; |
| import org.apache.hudi.table.BulkInsertPartitioner; |
| import org.apache.hudi.table.HoodieTable; |
| import org.apache.hudi.table.action.HoodieWriteMetadata; |
| |
| import org.apache.spark.api.java.JavaRDD; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| |
| /** |
| * A spark implementation of {@link AbstractBulkInsertHelper}. |
| * |
| * @param <T> |
| */ |
| @SuppressWarnings("checkstyle:LineLength") |
| public class SparkBulkInsertHelper<T extends HoodieRecordPayload, R> extends AbstractBulkInsertHelper<T, JavaRDD<HoodieRecord<T>>, |
| JavaRDD<HoodieKey>, JavaRDD<WriteStatus>, R> { |
| |
| private SparkBulkInsertHelper() { |
| } |
| |
| private static class BulkInsertHelperHolder { |
| private static final SparkBulkInsertHelper SPARK_BULK_INSERT_HELPER = new SparkBulkInsertHelper(); |
| } |
| |
| public static SparkBulkInsertHelper newInstance() { |
| return BulkInsertHelperHolder.SPARK_BULK_INSERT_HELPER; |
| } |
| |
| @Override |
| public HoodieWriteMetadata<JavaRDD<WriteStatus>> bulkInsert(JavaRDD<HoodieRecord<T>> inputRecords, |
| String instantTime, |
| HoodieTable<T, JavaRDD<HoodieRecord<T>>, JavaRDD<HoodieKey>, JavaRDD<WriteStatus>> table, |
| HoodieWriteConfig config, |
| BaseCommitActionExecutor<T, JavaRDD<HoodieRecord<T>>, JavaRDD<HoodieKey>, JavaRDD<WriteStatus>, R> executor, |
| boolean performDedupe, |
| Option<BulkInsertPartitioner<T>> userDefinedBulkInsertPartitioner) { |
| HoodieWriteMetadata result = new HoodieWriteMetadata(); |
| |
| // De-dupe/merge if needed |
| JavaRDD<HoodieRecord<T>> dedupedRecords = inputRecords; |
| |
| if (performDedupe) { |
| dedupedRecords = (JavaRDD<HoodieRecord<T>>) SparkWriteHelper.newInstance().combineOnCondition(config.shouldCombineBeforeInsert(), inputRecords, |
| config.getBulkInsertShuffleParallelism(), table); |
| } |
| |
| final JavaRDD<HoodieRecord<T>> repartitionedRecords; |
| final int parallelism = config.getBulkInsertShuffleParallelism(); |
| BulkInsertPartitioner partitioner = userDefinedBulkInsertPartitioner.isPresent() |
| ? userDefinedBulkInsertPartitioner.get() |
| : BulkInsertInternalPartitionerFactory.get(config.getBulkInsertSortMode()); |
| repartitionedRecords = (JavaRDD<HoodieRecord<T>>) partitioner.repartitionRecords(dedupedRecords, parallelism); |
| |
| // generate new file ID prefixes for each output partition |
| final List<String> fileIDPrefixes = |
| IntStream.range(0, parallelism).mapToObj(i -> FSUtils.createNewFileIdPfx()).collect(Collectors.toList()); |
| |
| table.getActiveTimeline().transitionRequestedToInflight(new HoodieInstant(HoodieInstant.State.REQUESTED, |
| table.getMetaClient().getCommitActionType(), instantTime), Option.empty(), |
| config.shouldAllowMultiWriteOnSameInstant()); |
| |
| JavaRDD<WriteStatus> writeStatusRDD = repartitionedRecords |
| .mapPartitionsWithIndex(new BulkInsertMapFunction<T>(instantTime, |
| partitioner.arePartitionRecordsSorted(), config, table, fileIDPrefixes), true) |
| .flatMap(List::iterator); |
| |
| ((BaseSparkCommitActionExecutor) executor).updateIndexAndCommitIfNeeded(writeStatusRDD, result); |
| return result; |
| } |
| } |