jvm打印gc日志到文件_JAVA_编程开发_程序员俱乐部

package gc;

public class GcTest {
	
	private static final int _1MB= 1024 * 1024;

	public static void main(String[] args) {
		byte[] a1, a2, a3, a4;
		a1 = new byte[2 * _1MB];
		a2 = new byte[2 * _1MB];
		a3 = new byte[2 * _1MB];
		a4 = new byte[2 * _1MB];
	}

}

D:\study\workspace\jvm\src>java -Xms20M -Xmx20M -Xmn10M -XX:Survivor
Ratio=8 -XX:+PrintGCDetails -Xloggc:d:\gc.log gc.GcTest