禁用虚拟内存
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
删除交换文件
sudo rm /private/var/vm/swapfile*
启用虚拟内存
sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
原文：http://www.cnblogs.com/blazer/p/5103608.html