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https://issues.apache.org/jira/browse/HADOOP-18679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840989#comment-17840989
]
ASF GitHub Bot commented on HADOOP-18679:
-----------------------------------------
mukund-thakur commented on code in PR #6726:
URL: https://github.com/apache/hadoop/pull/6726#discussion_r1580173720
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/DefalutBulkDeleteSource.java:
##########
@@ -0,0 +1,38 @@
+/**
+ * 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.hadoop.fs;
+
+import java.io.IOException;
+
+/**
+ * Default implementation of {@link BulkDeleteSource}.
+ */
+public class DefalutBulkDeleteSource implements BulkDeleteSource {
+
+ private final FileSystem fs;
Review Comment:
javadoc
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/BulkDeleteUtils.java:
##########
@@ -0,0 +1,54 @@
+/**
+ * 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.hadoop.fs;
+
+import java.util.Collection;
+
+import static java.util.Objects.requireNonNull;
+import static org.apache.hadoop.util.Preconditions.checkArgument;
+
+/**
+ * Utility class for bulk delete operations.
+ */
+public final class BulkDeleteUtils {
+
+ private BulkDeleteUtils() {
+ }
+
+ public static void validateBulkDeletePaths(Collection<Path> paths, int
pageSize, Path basePath) {
+ requireNonNull(paths);
+ checkArgument(paths.size() <= pageSize,
+ "Number of paths (%d) is larger than the page size (%d)",
paths.size(), pageSize);
+ paths.forEach(p -> {
+ checkArgument(p.isAbsolute(), "Path %s is not absolute", p);
+ checkArgument(validatePathIsUnderParent(p, basePath),
+ "Path %s is not under the base path %s", p, basePath);
+ });
+ }
+
+ public static boolean validatePathIsUnderParent(Path p, Path basePath) {
Review Comment:
javadoc
> Add API for bulk/paged object deletion
> --------------------------------------
>
> Key: HADOOP-18679
> URL: https://issues.apache.org/jira/browse/HADOOP-18679
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.5
> Reporter: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> iceberg and hbase could benefit from being able to give a list of individual
> files to delete -files which may be scattered round the bucket for better
> read peformance.
> Add some new optional interface for an object store which allows a caller to
> submit a list of paths to files to delete, where
> the expectation is
> * if a path is a file: delete
> * if a path is a dir, outcome undefined
> For s3 that'd let us build these into DeleteRequest objects, and submit,
> without any probes first.
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