io.prestosql.cost

Class TaskCountEstimator

java.lang.Object

io.prestosql.cost.TaskCountEstimator

public class TaskCountEstimator
extends Object

Constructor Summary

Constructors

Constructor and Description
TaskCountEstimator(IntSupplier numberOfNodes)
TaskCountEstimator(NodeSchedulerConfig nodeSchedulerConfig, InternalNodeManager nodeManager)

Method Summary

Modifier and Type	Method and Description
int	estimateHashedTaskCount(Session session)
int	estimateSourceDistributedTaskCount()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TaskCountEstimator

@Inject
public TaskCountEstimator(NodeSchedulerConfig nodeSchedulerConfig,
                                  InternalNodeManager nodeManager)

TaskCountEstimator

public TaskCountEstimator(IntSupplier numberOfNodes)

Method Detail

estimateSourceDistributedTaskCount

public int estimateSourceDistributedTaskCount()

estimateHashedTaskCount

public int estimateHashedTaskCount(Session session)