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ASF GitHub Bot commented on HDFS-16978: --------------------------------------- goiri commented on code in PR #5554: URL: https://github.com/apache/hadoop/pull/5554#discussion_r1165888263 ########## hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/protocol/AddAllMountTableEntryRequest.java: ########## @@ -0,0 +1,51 @@ +/* + * 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.server.federation.store.protocol; + +import java.util.List; + +import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceStability; +import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer; +import org.apache.hadoop.hdfs.server.federation.store.records.MountTable; + +/** + * API request for adding all mount table entries to the state store. + */ +public abstract class AddAllMountTableEntryRequest { Review Comment: I'm not sure "All" is the right concept. It looks more like `AddMountTableEntriesRequest` ########## hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/tools/federation/RouterAdmin.java: ########## @@ -462,6 +481,111 @@ public int run(String[] argv) throws Exception { return exitCode; } + private boolean addAllMount(String[] parameters, int i) throws IOException { + List<AddMountAttributes> addMountAttributesList = new ArrayList<>(); + while (i < parameters.length) { + // Mandatory parameters + String mount = parameters[i++]; + String[] nss = parameters[i++].split(","); + String dest = parameters[i++]; + + // Optional parameters + boolean readOnly = false; + boolean faultTolerant = false; + String owner = null; + String group = null; + FsPermission mode = null; + DestinationOrder order = DestinationOrder.HASH; + while (i < parameters.length && !",".equals(parameters[i])) { Review Comment: A lot of this parsing is similar to adding a single entry. Can we refactor this code so we use the other chunk? > RBF: New Router admin command to support bulk add of mount points > ----------------------------------------------------------------- > > Key: HDFS-16978 > URL: https://issues.apache.org/jira/browse/HDFS-16978 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Viraj Jasani > Assignee: Viraj Jasani > Priority: Minor > Labels: pull-request-available > > All state store implementations support adding multiple state store records > using single putAll() implementation. We should provide new router admin API > to support bulk addition of mount table entries that can utilize this build > add implementation at state store level. > For more than one mount point to be added, the goal of bulk addition should be > # To reduce frequent router calls > # To avoid frequent state store cache refreshers with each single mount > point addition -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org