■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       864Mi       417Mi        41Mi       112Mi       812Mi       1.1Gi
Swap:          2.0Gi       365Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    3609912  0.9 15.5 2322156 313220 ?      Ssl   9月30 150:15 /usr/sbin/mysqld
nginx    3610155  0.0  8.9 274623476 180136 ?    Sl    9月30   5:32 dotnet WebApp.dll
root     3609787  0.0  3.7 159876 74880 ?        S<s   9月30   0:34 /usr/lib/systemd/systemd-journald
root     3609949  0.2  2.5 1578552 51660 ?       Ssl   9月30  34:34 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 3610115  0.1  2.4 212796 49456 ?        Sl    9月30  26:15 /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     3384076  0.0  1.3 223424 27008 ?        SLsl  9月11   4:46 /sbin/multipathd -d -s
ntpsec   3609778  0.0  0.9  85556 19880 ?        SLs   9月30   1:15 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 3610111  0.0  0.8 178796 16940 ?        Sl    9月30   6:09 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     3609991  0.0  0.6  39516 13388 ?        Ss    9月30   2:47 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root           1  0.0  0.5  22424 10880 ?        Ss    2025  18:01 /usr/lib/systemd/systemd --system --deserialize=92