spark ApplicationDescription 源码
spark ApplicationDescription 代码
文件路径：/core/src/main/scala/org/apache/spark/deploy/ApplicationDescription.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
import java.net.URI
import org.apache.spark.resource.{ResourceProfile, ResourceRequirement, ResourceUtils}
private[spark] case class ApplicationDescription(
name: String,
maxCores: Option[Int],
command: Command,
appUiUrl: String,
defaultProfile: ResourceProfile,
eventLogDir: Option[URI] = None,
// short name of compression codec used when writing event logs, if any (e.g. lzf)
eventLogCodec: Option[String] = None,
// number of executors this application wants to start with,
// only used if dynamic allocation is enabled
initialExecutorLimit: Option[Int] = None,
user: String = System.getProperty("user.name", "<unknown>")) {
def memoryPerExecutorMB: Int = defaultProfile.getExecutorMemory.map(_.toInt).getOrElse(1024)
def coresPerExecutor: Option[Int] = defaultProfile.getExecutorCores
def resourceReqsPerExecutor: Seq[ResourceRequirement] =
ResourceUtils.executorResourceRequestToRequirement(
defaultProfile.getCustomExecutorResources().values.toSeq.sortBy(_.resourceName))
override def toString: String = "ApplicationDescription(" + name + ")"
}
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