■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       264Mi        35Mi       133Mi       705Mi       878Mi
Swap:          2.0Gi        61Mi       1.9Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     845328  0.8 24.5 2314824 494072 ?      Ssl   2月03  14:42 /usr/sbin/mysqld
nginx     800308  0.0 11.4 274648000 230780 ?    Sl    1月29   2:58 dotnet WebApp.dll
_fluentd  845457  0.1  3.6 208764 74328 ?        Sl    2月03   2:25 /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      800068  0.0  3.0 122456 62208 ?        S<s   1月29   0:14 /usr/lib/systemd/systemd-journald
root      800199  0.2  2.8 1488284 57476 ?       Ssl   1月29  18:33 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  845454  0.0  2.5 178732 51376 ?        Sl    2月03   0:38 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root         366  0.0  1.3 288952 27136 ?        SLsl  2025  10:41 /sbin/multipathd -d -s
ntpsec    800067  0.0  0.9  85676 20024 ?        SLs   1月29   0:38 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root           1  0.0  0.6  22600 13184 ?        Ss    2025   3:51 /usr/lib/systemd/systemd --system --deserialize=77
root      800299  0.0  0.6  39500 12992 ?        Ss    1月29   1:37 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf