■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       101Mi        44Mi       116Mi       966Mi       941Mi
Swap:          2.0Gi       433Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    1675029  0.8 20.4 2403760 412528 ?      Ssl   4月09 350:51 /usr/sbin/mysqld
nginx    1840418  0.0 12.1 274525132 244324 ?    Sl    4月23   7:09 dotnet WebApp.dll
root     1925924  0.0  3.5 120676 71680 ?        S<s   5月01   0:14 /usr/lib/systemd/systemd-journald
root     1840803  0.2  2.9 1545608 60044 ?       Ssl   4月23  41:25 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 1674987  0.1  2.3 208700 47924 ?        Sl    4月09  64:39 /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     1840702  0.0  1.3 223416 26752 ?        SLsl  4月23   2:04 /sbin/multipathd -d -s
ntpsec   1840689  0.0  0.9  85676 20024 ?        SLs   4月23   1:23 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 1674984  0.0  0.6 178732 13668 ?        Sl    4月09  14:58 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root           1  0.0  0.6  22180 13440 ?        Ss    2025   9:15 /usr/lib/systemd/systemd --system --deserialize=75
root     1840349  0.0  0.6  39500 13396 ?        Ss    4月23   3:24 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf