Package io.trino.memory.context

Interface MemoryReservationHandler

public interface MemoryReservationHandler

  • Method Summary

    Modifier and Type
    Method
    Description
    com.google.common.util.concurrent.ListenableFuture<Void>
    reserveMemory(String allocationTag, long delta)
     
    boolean
    tryReserveMemory(String allocationTag, long delta)
    Try reserving the given number of bytes.

  • Method Details

    • reserveMemory

      com.google.common.util.concurrent.ListenableFuture<Void> reserveMemory(String allocationTag, long delta)
      Returns:
      a future that signals the caller to block before reserving more memory.

    • tryReserveMemory

      boolean tryReserveMemory(String allocationTag, long delta)
      Try reserving the given number of bytes.
      Returns:
      true if reservation is successful, false otherwise.