■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       326Mi        41Mi       140Mi       718Mi       945Mi
Swap:          2.0Gi       362Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2506832  0.8 19.8 2358288 400288 ?      Ssl   6月23 237:52 /usr/sbin/mysqld
nginx    2667029  0.0 11.8 274631536 238424 ?    Sl    7月07   2:18 dotnet WebApp.dll
root     2572712  0.0  4.3 128144 88064 ?        S<s   6月29   0:39 /usr/lib/systemd/systemd-journald
root     2666932  0.2  3.9 1562036 79648 ?       Ssl   7月07  14:52 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 2506948  0.1  2.4 212860 48736 ?        Sl    6月23  41:09 /opt/fluent/bin/ruby -Eascii-8bit:ascii-8bit /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid --under-supervisor
nginx    2513977  0.0  1.8  67064 38156 ?        S     6月24   0:03 nginx: worker process
root     2667005  0.0  1.4  39508 29004 ?        Ss    7月07   1:15 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root     2356603  0.0  1.3 223416 26880 ?        SLsl  6月09   5:04 /sbin/multipathd -d -s
ntpsec   2697909  0.0  0.9  85552 19892 ?        SLs   7月10   0:10 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
nginx    2513978  0.0  0.9  56276 19740 ?        S     6月24   0:03 nginx: worker process