如何清零counter计数器

把数据清空后,这些统计数据仍然还在,如何清零呢?谢谢.

1d: {pending: 61748, retry: 5258, success: 65578}
1h: {pending: 187, retry: 18, success: 181}
all: {failed: 4, pending: 2448, success: 1442017}