Package io.trino.operator

Class TaskAllocationValidator

java.lang.Object

io.trino.operator.TaskAllocationValidator

All Implemented Interfaces:

MemoryAllocationValidator

@ThreadSafe
public class TaskAllocationValidator
extends Object
implements MemoryAllocationValidator

Field Summary

Fields inherited from interface io.trino.memory.context.MemoryAllocationValidator

NO_MEMORY_VALIDATION

Constructor Summary

Constructors

Constructor	Description
TaskAllocationValidator(io.airlift.units.DataSize memoryLimit)

Method Summary

Modifier and Type	Method	Description
void	reserveMemory(String allocationTag, long delta)
boolean	tryReserveMemory(String allocationTag, long delta)

Methods inherited from class java.lang.Object

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

Constructor Details

TaskAllocationValidator

public TaskAllocationValidator(io.airlift.units.DataSize memoryLimit)

Method Details

reserveMemory

public void reserveMemory(String allocationTag,
 long delta)

Specified by:

reserveMemory in interface MemoryAllocationValidator

tryReserveMemory

public boolean tryReserveMemory(String allocationTag,
 long delta)

Specified by:

tryReserveMemory in interface MemoryAllocationValidator