命令mark

for i in `sudo /usr/local/sbin/fping -g 10.181.37.0/26 -p 10 -r 1 | grep alive | awk '{print $1 }'`;do host $i;done | grep -v NXDO

for i in `sudo /usr/local/sbin/fping -g 10.181.37.0/26 -p 10 -r 1 ;done | grep -v NXDO

for i in `sudo /usr/local/sbin/fping -g 10.181.37.0/25 -p 10 -r 1 | grep alive | awk '{print $1 }'`;do echo -n " $i "; host $i | grep baidu.com ;done | grep -v NXDO

for i in ` cat qianmo_bignat.txt `;do echo -n " $i "; host $i | grep baidu.com ;done | grep -v NXDO

for i in ` cat qianmo_bignat.txt `;do cat 2019-07-12 | grep $i ; echo -en " " ;done

for i in ` cat qianmo_bignat.txt `;do cat 2019-07-12 | grep $i | awk -F "," '{print $4 }' | awk 'BEGIN {max = 0} {if ($1+0 > max+0) max=$1} END {print "Max=", max}' ; done | awk -F " " '{print $2 }' | awk '{sum+=$1} END {print "Sum= ", sum}'

| awk '{sum+=$1} END {print "Sum= ", sum}'

共阡陌虚拟机 1195 IP 每一个IP的5min粒度取一天峰值，求和1195个IP，sum（峰值in）=11G ，sum（峰值out）=1.35G

Sum= 12046665005

in
400G

for i in ` cat qianmo_bignat.txt `;do cat 2019-07-12 | grep $i | awk -F "," '{print $5 }' | awk 'BEGIN {max = 0} {if ($1+0 > max+0) max=$1} END {print "Max=", max}' ; done | awk -F " " '{print $2 }' | awk '{sum+=$1} END {print "Sum= ", sum}'

[qiaoyanlin@tc-sysnoc-nb.tc.baidu.com ~]$ for i in ` cat qianmo_bignat.txt `;do cat 2019-07-12 | grep $i | awk -F "," '{print $5 }' | awk 'BEGIN {max = 0} {if ($1+0 > max+0) max=$1} END {print "Max=", max}' ; done | awk -F " " '{print $2 }' | awk '{sum+=$1} END {print "Sum= ", sum}'

Sum= 1451515105
out
4G