■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       954Mi       284Mi        31Mi        92Mi       864Mi       1.0Gi
Swap:          2.0Gi       397Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     818185  0.7 15.6 2314716 315856 ?      Ssl   8月16  49:50 /usr/sbin/mysqld
nginx     392425  0.0 10.4 274689104 211332 ?    Sl    7月15  15:47 dotnet WebApp.dll
root      392122  0.0  6.8 198016 137424 ?       S<s   7月15   2:21 /usr/lib/systemd/systemd-journald
_fluentd  818310  0.1  3.5 208824 72348 ?        Sl    8月16   9:16 /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      591418  0.1  2.6 1456808 54172 ?       Ssl   7月30  62:15 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  818307  0.0  2.5 178728 50808 ?        Sl    8月16   2:21 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root      640559  0.0  1.5 590744 31844 ?        Ssl   8月02   1:35 /usr/libexec/fwupd/fwupd
root      392073  0.0  1.3 223416 26880 ?        SLsl  7月15   5:17 /sbin/multipathd -d -s
ntpsec    392080  0.0  0.9  85672 20020 ?        SLs   7月15   3:36 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root      392395  0.0  0.6  39496 12228 ?        Ss    7月15   8:36 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf