■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       982Mi       222Mi        37Mi        96Mi       870Mi       983Mi
Swap:          2.0Gi          0B       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql        950  0.5 21.6 2332580 435184 ?      Ssl   9月16   9:39 /usr/sbin/mysqld
nginx       1005  0.0 10.6 274648060 214608 ?    Sl    9月16   0:25 dotnet WebApp.dll
_fluentd    1044  0.1  3.5 203504 70828 ?        Sl    9月16   2:01 /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         776  0.1  3.4 1429972 68548 ?       Ssl   9月16   2:58 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1037  0.0  2.5 178720 51628 ?        Sl    9月16   0:31 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root        1589  0.0  1.9 584444 40212 ?        Ssl   9月16   0:06 /usr/libexec/fwupd/fwupd
root         799  0.0  1.4  39480 28696 ?        Ss    9月16   0:15 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root         365  0.0  1.3 288948 27008 ?        SLsl  9月16   0:09 /sbin/multipathd -d -s
root         847  0.0  1.1 110680 23040 ?        Ssl   9月16   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
ntpsec       793  0.0  0.9  85676 19944 ?        SLs   9月16   0:06 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec