Package io.trino.memory.context

Interface MemoryAllocationValidator

public interface MemoryAllocationValidator

Field Summary

Fields

Modifier and Type	Field	Description
static final MemoryAllocationValidator	NO_MEMORY_VALIDATION

Method Summary

Modifier and Type	Method	Description
void	reserveMemory(String allocationTag, long delta)	Check if memory can be reserved.
boolean	tryReserveMemory(String allocationTag, long delta)	Check if memory can be reserved.

Field Details

NO_MEMORY_VALIDATION

static final MemoryAllocationValidator NO_MEMORY_VALIDATION

Method Details

reserveMemory

void reserveMemory(String allocationTag,
 long delta)

Check if memory can be reserved. Account for reserved memory if reservation is possible. Throw exception otherwise.

tryReserveMemory

boolean tryReserveMemory(String allocationTag,
 long delta)

Check if memory can be reserved. Account for reserved memory if reservation is possible and return true. Return false otherwise.