org.apache.spark.scheduler.ExecutorLossReason.scala Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.spark.scheduler
import org.apache.spark.executor.ExecutorExitCode
/**
* Represents an explanation for an executor or whole slave failing or exiting.
*/
private[spark]
class ExecutorLossReason(val message: String) extends Serializable {
override def toString: String = message
}
private[spark]
case class ExecutorExited(exitCode: Int, exitCausedByApp: Boolean, reason: String)
extends ExecutorLossReason(reason)
private[spark] object ExecutorExited {
def apply(exitCode: Int, exitCausedByApp: Boolean): ExecutorExited = {
ExecutorExited(
exitCode,
exitCausedByApp,
ExecutorExitCode.explainExitCode(exitCode))
}
}
private[spark] object ExecutorKilled extends ExecutorLossReason("Executor killed by driver.")
/**
* A loss reason that means we don't yet know why the executor exited.
*
* This is used by the task scheduler to remove state associated with the executor, but
* not yet fail any tasks that were running in the executor before the real loss reason
* is known.
*/
private [spark] object LossReasonPending extends ExecutorLossReason("Pending loss reason.")
/**
* @param _message human readable loss reason
* @param workerLost whether the worker is confirmed lost too (i.e. including shuffle service)
*/
private[spark]
case class SlaveLost(_message: String = "Slave lost", workerLost: Boolean = false)
extends ExecutorLossReason(_message)