io.prestosql.execution

Class SplitConcurrencyController

java.lang.Object

io.prestosql.execution.SplitConcurrencyController

@NotThreadSafe
public class SplitConcurrencyController
extends Object

Constructor Summary

Constructors

Constructor and Description
SplitConcurrencyController(int initialConcurrency, io.airlift.units.Duration adjustmentInterval)

Method Summary

Modifier and Type	Method and Description
int	getTargetConcurrency()
void	splitFinished(long splitThreadNanos, double utilization, int currentConcurrency)
void	update(long nanos, double utilization, int currentConcurrency)

Methods inherited from class java.lang.Object

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

Constructor Detail

SplitConcurrencyController

public SplitConcurrencyController(int initialConcurrency,
                                  io.airlift.units.Duration adjustmentInterval)

Method Detail

update

public void update(long nanos,
                   double utilization,
                   int currentConcurrency)

getTargetConcurrency

public int getTargetConcurrency()

splitFinished

public void splitFinished(long splitThreadNanos,
                          double utilization,
                          int currentConcurrency)