nizhikov commented on code in PR #13247: URL: https://github.com/apache/kafka/pull/13247#discussion_r1345590444
########## tools/src/main/java/org/apache/kafka/tools/reassign/ReassignPartitionsCommand.java: ########## @@ -0,0 +1,1501 @@ +/* + * 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.kafka.tools.reassign; + +import com.fasterxml.jackson.core.JsonParseException; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.JsonMappingException; +import joptsimple.OptionSpec; +import org.apache.kafka.admin.AdminUtils; +import org.apache.kafka.admin.BrokerMetadata; +import org.apache.kafka.clients.admin.Admin; +import org.apache.kafka.clients.admin.AdminClientConfig; +import org.apache.kafka.clients.admin.AlterConfigOp; +import org.apache.kafka.clients.admin.ConfigEntry; +import org.apache.kafka.clients.admin.DescribeReplicaLogDirsResult; +import org.apache.kafka.clients.admin.NewPartitionReassignment; +import org.apache.kafka.clients.admin.PartitionReassignment; +import org.apache.kafka.clients.admin.TopicDescription; +import org.apache.kafka.common.KafkaFuture; +import org.apache.kafka.common.Node; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.TopicPartitionReplica; +import org.apache.kafka.common.config.ConfigResource; +import org.apache.kafka.common.errors.ReplicaNotAvailableException; +import org.apache.kafka.common.errors.UnknownTopicOrPartitionException; +import org.apache.kafka.common.utils.Exit; +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.common.utils.Utils; +import org.apache.kafka.server.common.AdminCommandFailedException; +import org.apache.kafka.server.common.AdminOperationException; +import org.apache.kafka.server.util.CommandLineUtils; +import org.apache.kafka.server.util.Json; +import org.apache.kafka.server.util.json.DecodeJson; +import org.apache.kafka.server.util.json.JsonObject; +import org.apache.kafka.server.util.json.JsonValue; +import org.apache.kafka.tools.TerseException; +import org.apache.kafka.tools.ToolsUtils; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.Optional; +import java.util.Properties; +import java.util.Set; +import java.util.TreeSet; +import java.util.concurrent.ExecutionException; +import java.util.stream.Collectors; + +@SuppressWarnings("ClassDataAbstractionCoupling") +public class ReassignPartitionsCommand { + private static final String ANY_LOG_DIR = "any"; + + static final String HELP_TEXT = "This tool helps to move topic partitions between replicas."; + + private static final DecodeJson.DecodeInteger INT = new DecodeJson.DecodeInteger(); + + private static final DecodeJson.DecodeString STRING = new DecodeJson.DecodeString(); + + private static final DecodeJson<List<Integer>> INT_LIST = DecodeJson.decodeList(INT); + + private static final DecodeJson<List<String>> STRING_LIST = DecodeJson.decodeList(STRING); + + /** + * The earliest version of the partition reassignment JSON. We will default to this + * version if no other version number is given. + */ + static final int EARLIEST_VERSION = 1; + + /** + * The earliest version of the JSON for each partition reassignment topic. We will + * default to this version if no other version number is given. + */ + static final int EARLIEST_TOPICS_JSON_VERSION = 1; + + // Throttles that are set at the level of an individual broker. + //DynamicConfig.Broker.LeaderReplicationThrottledRateProp + static final String BROKER_LEVEL_LEADER_THROTTLE = "leader.replication.throttled.rate"; + //DynamicConfig.Broker.FollowerReplicationThrottledRateProp + static final String BROKER_LEVEL_FOLLOWER_THROTTLE = "follower.replication.throttled.rate"; + //DynamicConfig.Broker.ReplicaAlterLogDirsIoMaxBytesPerSecondProp + static final String BROKER_LEVEL_LOG_DIR_THROTTLE = "replica.alter.log.dirs.io.max.bytes.per.second"; + static final List<String> BROKER_LEVEL_THROTTLES = Arrays.asList( + BROKER_LEVEL_LEADER_THROTTLE, + BROKER_LEVEL_FOLLOWER_THROTTLE, + BROKER_LEVEL_LOG_DIR_THROTTLE + ); + + // Throttles that are set at the level of an individual topic. + //LogConfig.LEADER_REPLICATION_THROTTLED_REPLICAS_CONFIG + static final String TOPIC_LEVEL_LEADER_THROTTLE = "leader.replication.throttled.replicas"; + //LogConfig.FOLLOWER_REPLICATION_THROTTLED_REPLICAS_CONFIG + static final String TOPIC_LEVEL_FOLLOWER_THROTTLE = "follower.replication.throttled.replicas"; Review Comment: I think it's a gread idea. Let's discuss it on the dev-list. -- 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: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
