fanhongli

oh , no , the log4j2 is Worse testLoggableTime(20, 20, 1000000): in 2.96s testNologTime(20, 20, 1000000): in 7.55ms is the have to use asyn ？

``` public double testLog4j(int x, int p, int times) { double ret = 0; for (int i = 0; i < times; i++) { if (log.isDebugEnabled()) { log.debug(" x ");...