■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       939Mi       284Mi        34Mi       109Mi       865Mi       1.0Gi
Swap:          2.0Gi       449Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    1168482  0.8 15.7 2322132 317272 ?      Ssl   3月01 233:58 /usr/sbin/mysqld
nginx    1322642  0.0 13.4 274702704 270336 ?    Sl    3月12   3:56 dotnet WebApp.dll
root     1343530  0.0  3.9 125852 80384 ?        S<s   3月14   0:23 /usr/lib/systemd/systemd-journald
root     1299515  0.2  3.0 1504968 61496 ?       Ssl   3月10  30:49 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 1168531  0.1  2.3 208764 47396 ?        Sl    3月01  43:05 /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     1168446  0.0  1.3 288952 27136 ?        SLsl  3月01   2:51 /sbin/multipathd -d -s
ntpsec   1168438  0.0  0.9  85676 20004 ?        SLs   3月01   1:58 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 1168527  0.0  0.7 178732 14112 ?        Sl    3月01  10:21 /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 13136 ?        Ss    3月12   2:02 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root           1  0.0  0.6  22736 13056 ?        Ss    2025   6:21 /usr/lib/systemd/systemd --system --deserialize=77