JVMのパラメータチューニングのために"java.lang.OutOfMemoryError"を発生させたい

OOM1.java

import java.lang.management.ManagementFactory;
import java.lang.management.MemoryPoolMXBean;
import java.lang.management.MemoryUsage;

public class OOM1 {

    private static void output() {
        java.util.List<MemoryPoolMXBean> beans =
                ManagementFactory.getMemoryPoolMXBeans();
        for(MemoryPoolMXBean bean : beans) {
            MemoryPoolMXBean permgenBean = null;
            if(bean.getName().toLowerCase().indexOf("perm gen") >= 0) {
                permgenBean = bean;
                MemoryUsage currentUsage = permgenBean.getUsage();
                int percentageUsed = (int)((currentUsage.getUsed() * 100)
                        / currentUsage.getMax());
                System.out.print("FreeMem: " + Runtime.getRuntime().freeMemory());
                System.out.println(" Permgen " + currentUsage.getUsed() +
                        " of " + currentUsage.getMax() +
                        " (" + percentageUsed + "%)");
                break;
            }
        }
    }

    public static void main(String[] args) {
        output();
        main(new String[] { // http://stackoverflow.com/a/12882135
            (args[0] + args[0]).intern()
        });
    }
}

ついでにVagrantfileもアップしておく。

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
$script = <<SCRIPT

echo Installing depedencies...
sudo yum check-update
sudo yum -y update
sudo yum install -y java-1.7.0-openjdk.x86_64 java-1.7.0-openjdk-devel.x86_64

SCRIPT
#-------
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "centos65"
  # curl --location --remote-name http://dl.dropbox.com/u/9227672/CentOS-6.0-x86_64-netboot-4.1.6.box
  config.vm.box_url = "/Users/sgyk/local/vagrant/box/CentOS-6.0-x86_64-netboot-4.1.6-Minimal.box"
  config.cache.auto_detect = true
  config.vm.provision "shell", inline: $script
  config.vm.synced_folder "share/", "/home/vagrant/share"

  config.vm.define :serf1 do |serf1|
    serf1.vm.hostname = "nativememory"
    serf1.vm.network :private_network, ip: "192.168.56.201"
    serf1.vm.provider "virtualbox" do |v|
      v.customize ["modifyvm", :id, "--memory", 512]
      v.name = "nativememory"
    end
  end

end

余談だけど、Vagrantで共有フォルダが作れない場合は、ゲストOSの/etc/yum.confで

exclude=kernel*

を

# exclude=kernel*

にして、

sudo yum update -y kernel

をしてから

$ vagrant plugin install vagrant-vbguest
$ vagrant reload --provision

とすれば良い。