jenkins 在node节点上进行编译构建, 每次编译构建,这个节点就系统oom, 今天早上直接用不了, 上服务器一看, 
ps -eo pid,ppid,user,%mem,rss,cmd --sort=-%mem | head -n 11 | \
> awk 'BEGIN{print "PID\tPPID\tUSER\t%MEM\tRSS\tCOMMAND"} \
> NR>1{printf "%d\t%d\t%s\t%.2f%%\t%.1fMB\t%s\n",$1,$2,$3,$4,$5/1024,$6}'
PID PPID USER %MEM RSS COMMAND
7976 1 root 52.00% 16665.6MB /opt/360sdforcnos/files/bin/eppav
8658 8580 redis 4.10% 1322.0MB /usr/share/ela...