■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       937Mi       296Mi        45Mi       135Mi       840Mi       1.0Gi
Swap:          2.0Gi       411Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
nginx      95787  0.0 17.8 274686376 360144 ?    Sl    6月20   6:39 dotnet WebApp.dll
mysql        949  0.7 11.0 2347944 222708 ?      Ssl   6月11 236:08 /usr/sbin/mysqld
root       85492  0.0  5.4 187144 108928 ?       S<s   6月19   0:48 /usr/lib/systemd/systemd-journald
root       95719  0.2  2.4 1438904 48424 ?       Ssl   6月20  35:38 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1061  0.1  2.3 208824 47508 ?        Sl    6月11  42:48 /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      218603  0.0  2.0 589892 42068 ?        Ssl   6月29   0:16 /usr/libexec/fwupd/fwupd
root         362  0.0  1.3 288952 27136 ?        SLsl  6月11   3:00 /sbin/multipathd -d -s
ntpsec       804  0.0  0.9  85680 20016 ?        SLs   6月11   2:23 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root       95764  0.0  0.7  39496 14972 ?        Ss    6月20   2:58 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
_fluentd    1058  0.0  0.7 178728 14100 ?        Sl    6月11  10:38 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid