■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       346Mi        35Mi       127Mi       604Mi       843Mi
Swap:          2.0Gi       1.3Gi       757Mi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    1675029  0.8 26.2 3029036 527832 ?      Ssl   4月09 568:57 /usr/sbin/mysqld
nginx    1840418  0.0 10.4 274554048 211344 ?    Sl    4月23  15:11 dotnet WebApp.dll
root     1840803  0.2  3.4 1546924 68960 ?       Ssl   4月23  93:10 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
root     1925924  0.0  3.2 165104 66304 ?        S<s   5月01   1:09 /usr/lib/systemd/systemd-journald
_fluentd 1674987  0.1  2.5 213564 50588 ?        Sl    4月09 104:18 /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     1840702  0.0  1.3 223416 26752 ?        SLsl  4月23   4:40 /sbin/multipathd -d -s
ntpsec   1840689  0.0  0.9  85676 20024 ?        SLs   4月23   3:06 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 1674984  0.0  0.6 178732 13384 ?        Sl    4月09  24:01 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
nginx    1862369  0.0  0.6  40952 12848 ?        S     4月24   0:54 nginx: worker process
root           1  0.0  0.5  22720 11648 ?        Ss    2025  10:12 /usr/lib/systemd/systemd --system --deserialize=75