TaskScheduler

abstract def executorFailed(executorId: Int): Array[ResourceRequest]

This notify the scheduler that {executorId} is failed, and expect a set of ResourceRequest for all failed tasks on that executor.

abstract def getResourceRequests(): Array[ResourceRequest]

Get the resource requirements for all unscheduled tasks.

abstract def schedule(workerId: WorkerId, executorId: Int, resource: Resource): List[TaskId]

This notify the scheduler that a resource slot on {workerId} and {executorId} is allocated, and expect a task to be scheduled in return.

abstract def scheduledTasks(executorId: Int): List[TaskId]

Query the task list that already scheduled on the executor

abstract def setDAG(dag: DAG): Unit

This notify the scheduler that the task DAG is created.

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit