■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       973Mi       199Mi        43Mi       110Mi       925Mi       993Mi
Swap:          2.0Gi       515Mi       1.5Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2506832  0.8 16.2 2358288 326688 ?      Ssl   6月23 322:47 /usr/sbin/mysqld
nginx    2761534  0.0 13.0 274587304 263696 ?    Sl    7月16   1:28 dotnet WebApp.dll
root     2572712  0.0  7.0 193604 141568 ?       S<s   6月29   1:03 /usr/lib/systemd/systemd-journald
_fluentd 2506948  0.1  2.4 212860 48384 ?        Sl    6月23  56:53 /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     2666932  0.2  2.3 1562144 47824 ?       Ssl   7月07  35:37 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
root     2761511  0.0  1.4  39508 28580 ?        Ss    7月16   0:42 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root     2356603  0.0  1.3 223416 26880 ?        SLsl  6月09   6:07 /sbin/multipathd -d -s
ntpsec   2697909  0.0  0.9  85552 19892 ?        SLs   7月10   0:53 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 2506945  0.0  0.6 178796 13576 ?        Sl    6月23  13:47 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root           1  0.0  0.5  22924 11264 ?        Ss    2025  13:21 /usr/lib/systemd/systemd --system --deserialize=78