Package io.trino.cost

Class TaskCountEstimator

java.lang.Object

io.trino.cost.TaskCountEstimator

public class TaskCountEstimator
extends Object

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

TaskCountEstimator

@Inject
public TaskCountEstimator(NodeSchedulerConfig nodeSchedulerConfig,
 InternalNodeManager nodeManager)

TaskCountEstimator

public TaskCountEstimator(IntSupplier numberOfNodes)

Method Details

estimateSourceDistributedTaskCount

public int estimateSourceDistributedTaskCount(Session session)

estimateHashedTaskCount

public int estimateHashedTaskCount(Session session)