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ASF GitHub Bot commented on HADOOP-18679: ----------------------------------------- steveloughran commented on code in PR #5993: URL: https://github.com/apache/hadoop/pull/5993#discussion_r1349184302 ########## hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/BulkDelete.java: ########## @@ -0,0 +1,324 @@ +/* + * 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; +import java.util.List; +import java.util.concurrent.CompletableFuture; + +import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceStability; +import org.apache.hadoop.fs.statistics.IOStatistics; +import org.apache.hadoop.fs.statistics.IOStatisticsSource; + +import static org.apache.hadoop.fs.statistics.IOStatisticsLogging.ioStatisticsToPrettyString; + +/** + * Interface for bulk file delete operations. + * <p> + * The expectation is that the iterator-provided list of paths + * will be batched into pages and submitted to the remote filesystem/store + * for bulk deletion, possibly in parallel. + * <p> + * A remote iterator provides the list of paths to delete; all must be under Review Comment: its for multiple mounted filesystems (viewfs) to direct to the final fs. > 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. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org