sar -r -u -n DEV 1 1000 >/data/200.sql 2>&1 &
监控结果：
02:51:11 PM kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree kbswpused %swpused kbswpcad
02:51:12 PM 577384 1496636 72.16 10148 53956 3711476 481480 11.48 149356
02:51:12 PM CPU %user %nice %system %iowait %idle
02:51:13 PM all 22.82 0.12 12.09 0.25 64.71
02:51:12 PM IFACE rxpck/s txpck/s rxbyt/s txbyt/s rxcmp/s txcmp/s rxmcst/s
02:51:13 PM lo 2750.50 2750.50 10188801.98 10188801.98 0.00 0.00 0.00
02:51:13 PM eth0 49628.71 34526.73 50260228.71 18412858.42 0.00 0.00 0.00
02:51:13 PM eth1 0.99 0.99 63.37 932.67 0.00 0.00 0.00
02:51:13 PM sit0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
02:51:12 PM kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree kbswpused %swpused kbswpcad
02:51:13 PM 575208 1498812 72.27 10148 54216 3711476 481480 11.48 149356
02:51:13 PM CPU %user %nice %system %iowait %idle
02:51:14 PM all 20.75 0.00 12.12 0.00 67.12
02:51:13 PM IFACE rxpck/s txpck/s rxbyt/s txbyt/s rxcmp/s txcmp/s rxmcst/s
02:51:14 PM lo 2800.00 2800.00 10749941.58 10749941.58 0.00 0.00 0.00
02:51:14 PM eth0 50488.12 34936.63 51424882.18 7971.29 0.00 0.00 0.00
02:51:14 PM eth1 6.93 9.90 534.65 10554.46 0.00 0.00 0.00
02:51:14 PM sit0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
02:51:13 PM kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree kbswpused %swpused kbswpcad
02:51:14 PM 575208 1498812 72.27 10156 54208 3711476 481480 11.48 149356
02:51:14 PM CPU %user %nice %system %iowait %idle
02:51:15 PM all 21.50 0.00 12.50 0.00 66.00
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