vinothchandar commented on a change in pull request #3472: URL: https://github.com/apache/hudi/pull/3472#discussion_r688834527
########## File path: hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/table/action/rollback/SparkMarkerBasedRollbackStrategy.java ########## @@ -91,4 +97,37 @@ public SparkMarkerBasedRollbackStrategy(HoodieTable<T, JavaRDD<HoodieRecord<T>>, FSUtils.getPartitionPath(config.getBasePath(), partitionPathStr), fileId, HoodieFileFormat.HOODIE_LOG.getFileExtension(), baseCommitTime) .collect(Collectors.toMap(HoodieLogFile::getFileStatus, value -> value.getFileStatus().getLen())); } + + /** + * Gets all marker paths. + * + * @param instant instant of interest to rollback + * @param parallelism parallelism to use + * @return a list of all markers + * @throws IOException + */ + private List<String> getAllMarkerPaths(String instant, int parallelism) throws IOException { + String markerDir = table.getMetaClient().getMarkerFolderPath(instant); + FileSystem fileSystem = FSUtils.getFs(markerDir, context.getHadoopConf().newCopy()); Review comment: you can always do table.getMetaClient().getFs() to get this object. its more standard across teh code. ########## File path: hudi-common/src/main/java/org/apache/hudi/common/util/MarkerUtils.java ########## @@ -0,0 +1,179 @@ +/* + * 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.common.util; + +import org.apache.hudi.common.config.SerializableConfiguration; +import org.apache.hudi.common.engine.HoodieEngineContext; +import org.apache.hudi.common.table.marker.MarkerType; +import org.apache.hudi.common.util.collection.ImmutablePair; +import org.apache.hudi.exception.HoodieException; +import org.apache.hudi.exception.HoodieIOException; + +import org.apache.hadoop.fs.FSDataInputStream; +import org.apache.hadoop.fs.FSDataOutputStream; +import org.apache.hadoop.fs.FileStatus; +import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.fs.Path; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.OutputStreamWriter; +import java.nio.charset.StandardCharsets; +import java.util.Arrays; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.function.Predicate; +import java.util.stream.Collectors; + +import static org.apache.hudi.common.util.FileIOUtils.closeQuietly; + +/** + * A utility class for marker related operations. + */ +public class MarkerUtils { Review comment: why is this class needed in `hudi-common`? markers are strictly used by writing correct -- 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