| /* |
| * 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.client.common.TaskContextSupplier; |
| import org.apache.hudi.client.common.HoodieEngineContext; |
| import org.apache.hudi.common.model.HoodieCommitMetadata; |
| import org.apache.hudi.common.model.HoodieRecord; |
| import org.apache.hudi.common.model.HoodieRecordPayload; |
| import org.apache.hudi.common.model.HoodieWriteStat; |
| import org.apache.hudi.common.model.WriteOperationType; |
| import org.apache.hudi.common.table.timeline.HoodieActiveTimeline; |
| import org.apache.hudi.common.table.timeline.HoodieInstant; |
| import org.apache.hudi.common.table.timeline.HoodieInstant.State; |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.exception.HoodieCommitException; |
| import org.apache.hudi.exception.HoodieIOException; |
| import org.apache.hudi.table.HoodieTable; |
| import org.apache.hudi.table.WorkloadProfile; |
| import org.apache.hudi.table.WorkloadStat; |
| import org.apache.hudi.table.action.BaseActionExecutor; |
| import org.apache.hudi.table.action.HoodieWriteMetadata; |
| |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.time.Duration; |
| import java.time.Instant; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| public abstract class BaseCommitActionExecutor<T extends HoodieRecordPayload, I, K, O, R> |
| extends BaseActionExecutor<T, I, K, O, R> { |
| |
| private static final Logger LOG = LogManager.getLogger(BaseCommitActionExecutor.class); |
| |
| protected final Option<Map<String, String>> extraMetadata; |
| protected final WriteOperationType operationType; |
| protected final TaskContextSupplier taskContextSupplier; |
| |
| public BaseCommitActionExecutor(HoodieEngineContext context, HoodieWriteConfig config, |
| HoodieTable<T, I, K, O> table, String instantTime, WriteOperationType operationType, |
| Option<Map<String, String>> extraMetadata) { |
| super(context, config, table, instantTime); |
| this.operationType = operationType; |
| this.extraMetadata = extraMetadata; |
| this.taskContextSupplier = context.getTaskContextSupplier(); |
| } |
| |
| public abstract HoodieWriteMetadata<O> execute(I inputRecords); |
| |
| /** |
| * Save the workload profile in an intermediate file (here re-using commit files) This is useful when performing |
| * rollback for MOR tables. Only updates are recorded in the workload profile metadata since updates to log blocks |
| * are unknown across batches Inserts (which are new parquet files) are rolled back based on commit time. // TODO : |
| * Create a new WorkloadProfile metadata file instead of using HoodieCommitMetadata |
| */ |
| void saveWorkloadProfileMetadataToInflight(WorkloadProfile profile, String instantTime) |
| throws HoodieCommitException { |
| try { |
| HoodieCommitMetadata metadata = new HoodieCommitMetadata(); |
| profile.getPartitionPaths().forEach(path -> { |
| WorkloadStat partitionStat = profile.getWorkloadStat(path.toString()); |
| HoodieWriteStat insertStat = new HoodieWriteStat(); |
| insertStat.setNumInserts(partitionStat.getNumInserts()); |
| insertStat.setFileId(""); |
| insertStat.setPrevCommit(HoodieWriteStat.NULL_COMMIT); |
| metadata.addWriteStat(path, insertStat); |
| |
| partitionStat.getUpdateLocationToCount().forEach((key, value) -> { |
| HoodieWriteStat writeStat = new HoodieWriteStat(); |
| writeStat.setFileId(key); |
| // TODO : Write baseCommitTime is possible here ? |
| writeStat.setPrevCommit(value.getKey()); |
| writeStat.setNumUpdateWrites(value.getValue()); |
| metadata.addWriteStat(path, writeStat); |
| }); |
| }); |
| metadata.setOperationType(operationType); |
| |
| HoodieActiveTimeline activeTimeline = table.getActiveTimeline(); |
| String commitActionType = getCommitActionType(); |
| HoodieInstant requested = new HoodieInstant(State.REQUESTED, commitActionType, instantTime); |
| activeTimeline.transitionRequestedToInflight(requested, |
| Option.of(metadata.toJsonString().getBytes(StandardCharsets.UTF_8)), |
| config.shouldAllowMultiWriteOnSameInstant()); |
| } catch (IOException io) { |
| throw new HoodieCommitException("Failed to commit " + instantTime + " unable to save inflight metadata ", io); |
| } |
| } |
| |
| protected String getCommitActionType() { |
| return table.getMetaClient().getCommitActionType(); |
| } |
| |
| protected void commitOnAutoCommit(HoodieWriteMetadata result) { |
| if (config.shouldAutoCommit()) { |
| LOG.info("Auto commit enabled: Committing " + instantTime); |
| commit(extraMetadata, result); |
| } else { |
| LOG.info("Auto commit disabled for " + instantTime); |
| } |
| } |
| |
| protected abstract void commit(Option<Map<String, String>> extraMetadata, HoodieWriteMetadata<O> result); |
| |
| /** |
| * Finalize Write operation. |
| * @param instantTime Instant Time |
| * @param stats Hoodie Write Stat |
| */ |
| protected void finalizeWrite(String instantTime, List<HoodieWriteStat> stats, HoodieWriteMetadata result) { |
| try { |
| Instant start = Instant.now(); |
| table.finalizeWrite(context, instantTime, stats); |
| result.setFinalizeDuration(Duration.between(start, Instant.now())); |
| } catch (HoodieIOException ioe) { |
| throw new HoodieCommitException("Failed to complete commit " + instantTime + " due to finalize errors.", ioe); |
| } |
| } |
| |
| /** |
| * By default, return the writer schema in Write Config for storing in commit. |
| */ |
| protected String getSchemaToStoreInCommit() { |
| return config.getSchema(); |
| } |
| |
| protected boolean isWorkloadProfileNeeded() { |
| return true; |
| } |
| |
| protected abstract Iterator<List<WriteStatus>> handleInsert(String idPfx, |
| Iterator<HoodieRecord<T>> recordItr) throws Exception; |
| |
| protected abstract Iterator<List<WriteStatus>> handleUpdate(String partitionPath, String fileId, |
| Iterator<HoodieRecord<T>> recordItr) throws IOException; |
| } |