[TOC] ## top ``` top - 15:34:43 up 2 days, 6:34, 3 users, load average: 0.00, 0.01, 0.05 Tasks: 160 total, 2 running, 154 sleeping, 4 stopped, 0 zombie %Cpu(s): 0.3 us, 0.5 sy, 0.0 ni, 99.2 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 1883984 total, 83144 free, 810416 used, 990424 buff/cache KiB Swap: 2097148 total, 1966328 free, 130820 used. 902240 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7360 root 20 0 146144 2016 1360 R 0.3 0.1 0:00.01 top 20764 root 20 0 1537220 77232 6724 S 0.3 4.1 0:40.83 mongod 1 root 20 0 44512 4996 1728 S 0.0 0.3 0:05.39 systemd ``` load average * 就表示系統最近 1 分鐘、5 分鐘、15 分鐘的系統瓶頸負載 ## uptime ``` > uptime > 13:11:01 up 888 days, 21:33, 8 users, load average: 17.20, 14.85, 14.10 92. ```