spark ExecutorDescription 源码
spark ExecutorDescription 代码
文件路径：/core/src/main/scala/org/apache/spark/deploy/ExecutorDescription.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
/**
* Used to send state on-the-wire about Executors from Worker to Master.
* This state is sufficient for the Master to reconstruct its internal data structures during
* failover.
*/
private[deploy] class ExecutorDescription(
val appId: String,
val execId: Int,
val rpId: Int,
val cores: Int,
val memoryMb: Int,
val state: ExecutorState.Value)
extends Serializable {
override def toString: String =
"ExecutorState(appId=%s, execId=%d, rpId=%d, cores=%d, memoryMb=%d state=%s)"
.format(appId, execId, rpId, cores, memoryMb, state)
}
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