■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       965Mi       257Mi        36Mi        75Mi       902Mi       1.0Gi
Swap:          2.0Gi       229Mi       1.8Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    3316427  0.8 17.5 2322152 353544 ?      Ssl   9月02  51:14 /usr/sbin/mysqld
nginx    3306642  0.0 10.8 274664436 218344 ?    Sl    9月01   2:30 dotnet WebApp.dll
root     3316050  0.0  2.6  82764 52992 ?        S<s   9月02   0:12 /usr/lib/systemd/systemd-journald
_fluentd 3306269  0.1  2.4 208696 50144 ?        Sl    9月01  11:02 /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     3316170  0.2  2.1 1562204 42692 ?       Ssl   9月02  12:02 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 3306266  0.0  1.5 178728 30628 ?        Sl    9月01   2:43 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     3316058  0.0  1.3 223420 26880 ?        SLsl  9月02   0:37 /sbin/multipathd -d -s
ntpsec   3265129  0.0  0.9  85552 19940 ?        SLs   8月27   1:03 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root     3306590  0.0  0.8  39508 17228 ?        Ss    9月01   1:15 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root           1  0.0  0.6  22712 13696 ?        Ss    2025  16:07 /usr/lib/systemd/systemd --system --deserialize=85