■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       857Mi       335Mi        35Mi        56Mi       950Mi       1.1Gi
Swap:          2.0Gi       482Mi       1.5Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
nginx       1147  0.0 16.8 274754404 338948 ?    Sl    3月28   2:00 dotnet WebApp.dll
mysql        954  0.7  9.3 2313472 188936 ?      Ssl   3月28  65:16 /usr/sbin/mysqld
root         781  0.1  2.6 1455844 53208 ?       Ssl   3月28  17:56 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1183  0.1  2.2 207840 44340 ?        Sl    3月28  11:51 /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  1.9  91404 39192 ?        S<s   3月28   0:14 /usr/lib/systemd/systemd-journald
root         364  0.0  1.3 288952 26880 ?        SLsl  3月28   0:51 /sbin/multipathd -d -s
ntpsec       799  0.0  0.9  85680 20000 ?        SLs   3月28   0:35 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd    1180  0.0  0.7 179024 15744 ?        Sl    3月28   2:58 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root         860  0.0  0.6 110680 13952 ?        Ssl   3月28   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
root           1  0.0  0.6  22432 13400 ?        Ss    3月28   0:17 /sbin/init