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Subject [GitHub] [hadoop] smengcl commented on a change in pull request #2927: HDFS-15982. Deleted data using HTTP API should be saved to the trash
Date Thu, 29 Apr 2021 15:56:15 GMT

smengcl commented on a change in pull request #2927:
URL: https://github.com/apache/hadoop/pull/2927#discussion_r623184950

File path: hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/DeleteSkipTrashParam.java
@@ -0,0 +1,50 @@
+ * 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.hdfs.web.resources;
+ * SkipTrash param to be used by DELETE query.
+ */
+public class DeleteSkipTrashParam extends BooleanParam {
+  public static final String NAME = "skiptrash";
+  public static final String DEFAULT = FALSE;

Review comment:
       Ah I just noticed target version includes 3.3.1, backporting to 3.3.x might be a problem
if this is an incompatible change.
   According to the [compatibility guideline](https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/Compatibility.html#REST_APIs):
   > Each API has an API-specific version number. Any incompatible changes MUST increment
the API version number.
   How about this:
   - Change `skiptrash=true` default to be compatible with WebHDFS v1, backport this to 3.3.1
   - Set `skiptrash=false` in a separate jira for 3.4.0, which will be an incompatible change
   - Increment WebHDFS REST API version to v2 which has `skiptrash=false` as default for DELETE

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