org.apache.spark.scheduler.Schedulable.scala Maven / Gradle / Ivy
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.spark.scheduler
import java.util.concurrent.ConcurrentLinkedQueue
import scala.collection.mutable.ArrayBuffer
import org.apache.spark.scheduler.SchedulingMode.SchedulingMode
/**
* An interface for schedulable entities.
* there are two type of Schedulable entities(Pools and TaskSetManagers)
*/
private[spark] trait Schedulable {
var parent: Pool
// child queues
def schedulableQueue: ConcurrentLinkedQueue[Schedulable]
def schedulingMode: SchedulingMode
def weight: Int
def minShare: Int
def runningTasks: Int
def priority: Int
def stageId: Int
def name: String
def addSchedulable(schedulable: Schedulable): Unit
def removeSchedulable(schedulable: Schedulable): Unit
def getSchedulableByName(name: String): Schedulable
def executorLost(executorId: String, host: String, reason: ExecutorLossReason): Unit
def checkSpeculatableTasks(minTimeToSpeculation: Int): Boolean
def getSortedTaskSetQueue: ArrayBuffer[TaskSetManager]
}