S5820X-28S IRF Master CPU高

1，6台S5820X做IRF，其中mater的CPU利用率在45%左右，slave的cpu利用率在15%左右。 是否正常，是否有优化空间？

2，cacti获取该IRF设备的snmp信息出现超时，怀疑是master cpu过高导致。 

<GDGZ-XXG3F-INC58X-1>dis irf 

MemberID Role Priority CPU-Mac Description

 *+1 Master 30 80f6-2ecc-1562 ----- 

 2 Slave 20 5cdd-7012-2743 ----- 

 3 Slave 15 7425-8abb-4c03 ----- 

 4 Slave 10 5cdd-7012-25fe ----- 

 Slave 9 80f6-2e81-1da6 ----- 

 6 Slave 8 7425-8abb-43e3 ----- 

-------------------------------------------------- 

 * indicates the device is the master. 

 + indicates the device through which the user logs in. The Bridge MAC of the IRF is: 80f6-2ecc-1561 Auto upgrade : yes Mac persistent : 6 min Domain ID : 40 

<GDGZ-XXG3F-INC58X-1>dis cpu 

 Slot 1 CPU usage: 44% in last 5 seconds 43% in last 1 minute 42% in last 5 minutes 

 Slot 2 CPU usage: 18% in last 5 seconds 18% in last 1 minute 17% in last 5 minutes 

 Slot 3 CPU usage: 17% in last 5 seconds 18% in last 1 minute 17% in last 5 minutes 

 Slot 4 CPU usage: 14% in last 5 seconds 14% in last 1 minute 14% in last 5 minutes

 Slot 5 CPU usage: 12% in last 5 seconds 12% in last 1 minute 12% in last 5 minutes 

 Slot 6 CPU usage: 12% in last 5 seconds 13% in last 1 minute 13% in last 5 minutes 

cacti延迟：

但ping该设备延时正常：