■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       975Mi       446Mi        24Mi       109Mi       633Mi       991Mi
Swap:          2.0Gi        27Mi       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql        953  0.5 23.2 2315616 467612 ?      Ssl   1月12  50:43 /usr/sbin/mysqld
nginx      49046  0.0  7.4 274544884 150208 ?    Sl   06:24   0:05 dotnet WebApp.dll
root         779  0.1  3.3 1447436 67740 ?       Ssl   1月12  15:43 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1117  0.1  3.3 207744 67576 ?        Sl    1月12  10:32 /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         311  0.0  2.1  91464 42328 ?        S<s   1月12   0:13 /usr/lib/systemd/systemd-journald
root        1565  0.0  1.9 574812 39308 ?        Ssl   1月12   0:27 /usr/libexec/fwupd/fwupd
_fluentd    1114  0.0  1.7 178608 36028 ?        Sl    1月12   2:39 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root       49023  0.0  1.4  39484 28852 ?        Ss   06:24   0:02 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root         364  0.0  1.3 288952 27008 ?        SLsl  1月12   0:44 /sbin/multipathd -d -s
ntpsec       797  0.0  0.9  85680 20020 ?        SLs   1月12   0:31 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec