spark CoarseGrainedClusterMessage 源码
spark CoarseGrainedClusterMessage 代码
文件路径:/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedClusterMessage.scala
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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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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package org.apache.spark.scheduler.cluster
import java.nio.ByteBuffer
import org.apache.spark.TaskState.TaskState
import org.apache.spark.resource.{ResourceInformation, ResourceProfile}
import org.apache.spark.rpc.RpcEndpointRef
import org.apache.spark.scheduler.{ExecutorLossReason, MiscellaneousProcessDetails}
import org.apache.spark.util.SerializableBuffer
private[spark] sealed trait CoarseGrainedClusterMessage extends Serializable
private[spark] object CoarseGrainedClusterMessages {
case class RetrieveSparkAppConfig(resourceProfileId: Int) extends CoarseGrainedClusterMessage
case class SparkAppConfig(
sparkProperties: Seq[(String, String)],
ioEncryptionKey: Option[Array[Byte]],
hadoopDelegationCreds: Option[Array[Byte]],
resourceProfile: ResourceProfile)
extends CoarseGrainedClusterMessage
case object RetrieveLastAllocatedExecutorId extends CoarseGrainedClusterMessage
// Driver to executors
case class LaunchTask(data: SerializableBuffer) extends CoarseGrainedClusterMessage
case class KillTask(taskId: Long, executor: String, interruptThread: Boolean, reason: String)
extends CoarseGrainedClusterMessage
case class KillExecutorsOnHost(host: String)
extends CoarseGrainedClusterMessage
case class DecommissionExecutorsOnHost(host: String)
extends CoarseGrainedClusterMessage
case class UpdateDelegationTokens(tokens: Array[Byte])
extends CoarseGrainedClusterMessage
// Executors to driver
case class RegisterExecutor(
executorId: String,
executorRef: RpcEndpointRef,
hostname: String,
cores: Int,
logUrls: Map[String, String],
attributes: Map[String, String],
resources: Map[String, ResourceInformation],
resourceProfileId: Int)
extends CoarseGrainedClusterMessage
case class LaunchedExecutor(executorId: String) extends CoarseGrainedClusterMessage
case class StatusUpdate(
executorId: String,
taskId: Long,
state: TaskState,
data: SerializableBuffer,
resources: Map[String, ResourceInformation] = Map.empty)
extends CoarseGrainedClusterMessage
object StatusUpdate {
/** Alternate factory method that takes a ByteBuffer directly for the data field */
def apply(executorId: String, taskId: Long, state: TaskState, data: ByteBuffer,
resources: Map[String, ResourceInformation]): StatusUpdate = {
StatusUpdate(executorId, taskId, state, new SerializableBuffer(data), resources)
}
}
case class ShufflePushCompletion(shuffleId: Int, shuffleMergeId: Int, mapIndex: Int)
extends CoarseGrainedClusterMessage
// Internal messages in driver
case object ReviveOffers extends CoarseGrainedClusterMessage
case object StopDriver extends CoarseGrainedClusterMessage
case object StopExecutor extends CoarseGrainedClusterMessage
case object StopExecutors extends CoarseGrainedClusterMessage
case class RemoveExecutor(executorId: String, reason: ExecutorLossReason)
extends CoarseGrainedClusterMessage
// A message that sent from executor to driver to tell driver that the executor has started
// decommissioning. It's used for the case where decommission is triggered at executor (e.g., K8S)
case class ExecutorDecommissioning(executorId: String) extends CoarseGrainedClusterMessage
// A message that sent from driver to executor to decommission that executor.
// It's used for Standalone's cases, where decommission is triggered at MasterWebUI or Worker.
object DecommissionExecutor extends CoarseGrainedClusterMessage
// A message that sent to the executor itself when it receives a signal,
// indicating the executor starts to decommission.
object ExecutorDecommissionSigReceived extends CoarseGrainedClusterMessage
case class RemoveWorker(workerId: String, host: String, message: String)
extends CoarseGrainedClusterMessage
case class SetupDriver(driver: RpcEndpointRef) extends CoarseGrainedClusterMessage
// Exchanged between the driver and the AM in Yarn client mode
case class AddWebUIFilter(
filterName: String, filterParams: Map[String, String], proxyBase: String)
extends CoarseGrainedClusterMessage
// Messages exchanged between the driver and the cluster manager for executor allocation
// In Yarn mode, these are exchanged between the driver and the AM
case class RegisterClusterManager(am: RpcEndpointRef) extends CoarseGrainedClusterMessage
// Send Miscellaneous Process information to the driver
case class MiscellaneousProcessAdded(
time: Long, processId: String, info: MiscellaneousProcessDetails)
extends CoarseGrainedClusterMessage
// Used by YARN's client mode AM to retrieve the current set of delegation tokens.
object RetrieveDelegationTokens extends CoarseGrainedClusterMessage
// Request executors by specifying the new total number of executors desired
// This includes executors already pending or running
case class RequestExecutors(
resourceProfileToTotalExecs: Map[ResourceProfile, Int],
numLocalityAwareTasksPerResourceProfileId: Map[Int, Int],
hostToLocalTaskCount: Map[Int, Map[String, Int]],
excludedNodes: Set[String])
extends CoarseGrainedClusterMessage
// Check if an executor was force-killed but for a reason unrelated to the running tasks.
// This could be the case if the executor is preempted, for instance.
case class GetExecutorLossReason(executorId: String) extends CoarseGrainedClusterMessage
case class KillExecutors(executorIds: Seq[String]) extends CoarseGrainedClusterMessage
// Used internally by executors to shut themselves down.
case object Shutdown extends CoarseGrainedClusterMessage
// The message to check if `CoarseGrainedSchedulerBackend` thinks the executor is alive or not.
case class IsExecutorAlive(executorId: String) extends CoarseGrainedClusterMessage
}
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