■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       121Mi        40Mi       127Mi       872Mi       883Mi
Swap:          2.0Gi       494Mi       1.5Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
nginx    1322642  0.0 21.3 274686292 429320 ?    Sl    3月12   5:36 dotnet WebApp.dll
mysql    1168482  0.8 14.4 2322132 291928 ?      Ssl   3月01 272:08 /usr/sbin/mysqld
root     1343530  0.0  5.1 150428 103296 ?       S<s   3月14   0:35 /usr/lib/systemd/systemd-journald
root     1299515  0.2  3.6 1506284 73272 ?       Ssl   3月10  40:45 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 1168531  0.1  2.3 208764 47804 ?        Sl    3月01  50:34 /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
root     1460461  0.0  2.0 479104 41984 ?        Ssl  12:38   0:00 /usr/libexec/fwupd/fwupd
root     1168446  0.0  1.3 288952 27136 ?        SLsl  3月01   3:21 /sbin/multipathd -d -s
ntpsec   1168438  0.0  0.9  85676 20004 ?        SLs   3月01   2:18 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 1168527  0.0  0.6 178732 14060 ?        Sl    3月01  12:07 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     1322618  0.0  0.6  39500 13008 ?        Ss    3月12   2:51 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf