kafka.admin.RackAwareMode.scala Maven / Gradle / Ivy
/**
* 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 kafka.admin
/**
* Mode to control how rack aware replica assignment will be executed
*/
object RackAwareMode {
/**
* Ignore all rack information in replica assignment. This is an optional mode used in command line.
*/
case object Disabled extends RackAwareMode
/**
* Assume every broker has rack, or none of the brokers has rack. If only partial brokers have rack, fail fast
* in replica assignment. This is the default mode in command line tools (TopicCommand and ReassignPartitionsCommand).
*/
case object Enforced extends RackAwareMode
/**
* Use rack information if every broker has a rack. Otherwise, fallback to Disabled mode. This is used in auto topic
* creation.
*/
case object Safe extends RackAwareMode
}
sealed trait RackAwareMode