spark ExecutorResourceDescription 源码
spark ExecutorResourceDescription 代码
文件路径：/core/src/main/scala/org/apache/spark/deploy/master/ExecutorResourceDescription.scala
/*
* 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.spark.deploy.master
import org.apache.spark.resource.ResourceRequirement
/**
* Describe resource requirements for different resource profiles. Used for executor schedule.
*
* @param coresPerExecutor cores for each executor.
* @param memoryMbPerExecutor memory for each executor.
* @param customResourcesPerExecutor custom resource requests for each executor.
*/
private[spark] case class ExecutorResourceDescription(
coresPerExecutor: Option[Int],
memoryMbPerExecutor: Int,
customResourcesPerExecutor: Seq[ResourceRequirement] = Seq.empty)
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