com.orientechnologies.nio

Class MemoryLocker

java.lang.Object

com.orientechnologies.nio.MemoryLocker

public class MemoryLocker
extends Object

This class is used to lock memory and prevent swapping to provide fast mmap working.

Author:

Artem Loginov (logart) logart2007@gmail.com Date: 5/29/12 Time: 11:31 PM

Constructor Summary

Constructors

Constructor and Description
MemoryLocker()

Method Summary

Methods

Modifier and Type	Method and Description
static void	lockMemory(boolean useSystemJNADisabled) This method locks memory to prevent swapping.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryLocker

public MemoryLocker()

Method Detail

lockMemory

public static void lockMemory(boolean useSystemJNADisabled)

This method locks memory to prevent swapping. This method provide information about success or problems with locking memory. You can reed console output to know if memory locked successfully or not. If system error occurred such as permission any specific exception will be thrown.

Parameters:

useSystemJNADisabled - if this parameter is true only bundled JNA will be used.