■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       970Mi       294Mi        42Mi       152Mi       789Mi       995Mi
Swap:          2.0Gi       342Mi       1.7Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2951694  0.8 17.0 2337348 343228 ?      Ssl   7月31 205:41 /usr/sbin/mysqld
nginx    2951668  0.0 12.0 274660500 243576 ?    Sl    7月31   7:24 dotnet WebApp.dll
root     3096153  0.2  3.6 1562076 73788 ?       Ssl   8月12  12:15 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
root     3091265  0.0  3.6 120424 73600 ?        S<s   8月12   0:13 /usr/lib/systemd/systemd-journald
_fluentd 2951707  0.1  2.4 212856 48628 ?        Sl    7月31  36:25 /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
_fluentd 2951704  0.0  1.5 178728 31272 ?        Sl    7月31   8:48 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     3096011  0.0  1.3 223416 27008 ?        SLsl  8月12   0:36 /sbin/multipathd -d -s
ntpsec   3095999  0.0  0.9  85552 19876 ?        SLs   8月12   0:25 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root     2951613  0.0  0.7  39508 14668 ?        Ss    7月31   4:06 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root           1  0.0  0.6  22540 13952 ?        Ss    2025  14:59 /usr/lib/systemd/systemd --system --deserialize=83