Thank!
"TERM=xterm esxtop" works for me now .
and i got this list in network monitoring:
1:53:51am up 1 day 13:01, 195 worlds; CPU load average: 0.02, 0.03, 0.03
PORT-ID USED-BY TEAM-PNIC DNAME PKTTX/s MbTX/s PKTRX/s MbRX/s %DRPTX %DRPRX
16777217 Management n/a vSwitch0 0.00 0.00 0.00 0.00 0.00 0.00
16777218 vmnic0 - vSwitch0 2599.40 9.55 288.01 0.14 0.00 0.00
16777219 vmk0 vmnic0 vSwitch0 28194.27 103.68 282.85 0.13 0.00 0.00
16777220 7267:router vmnic0 vSwitch0 3.97 0.01 3.97 0.00 0.00 0.00
33554433 Management n/a vSwitch1 0.00 0.00 0.00 0.00 0.00 0.00
33554434 7267:router void vSwitch1 2.18 0.00 3.18 0.01 0.00 0.00
33554435 7264:db1 void vSwitch1 0.60 0.00 0.99 0.00 0.00 0.00
33554436 7414:db2 void vSwitch1 0.00 0.00 0.00 0.00 0.00 0.00
33554438 8893:app2 void vSwitch1 14.89 0.02 14.49 0.02 0.00 0.00
33554439 11783:app1 void vSwitch1 17.07 0.02 16.08 0.02 0.00 0.00
seems vmk0 has a keeping high traffic.
but how to fix this ?