■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       223Mi        42Mi       112Mi       755Mi       863Mi
Swap:          2.0Gi        37Mi       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    3609912  0.9 24.9 2315964 502660 ?      Ssl   9月30  57:24 /usr/sbin/mysqld
nginx    3610155  0.0 10.1 274623344 204628 ?    Sl    9月30   2:13 dotnet WebApp.dll
_fluentd 3610115  0.1  3.5 208700 72444 ?        Sl    9月30   9:45 /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     3609949  0.2  3.2 1578552 64536 ?       Ssl   9月30  13:09 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
root     3609787  0.0  1.7 106592 35968 ?        S<s   9月30   0:13 /usr/lib/systemd/systemd-journald
root     3609991  0.0  1.4  39516 28748 ?        Ss    9月30   1:04 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
_fluentd 3610111  0.0  1.4 178796 28496 ?        Sl    9月30   2:20 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     3384076  0.0  1.3 223424 27008 ?        SLsl  9月11   3:40 /sbin/multipathd -d -s
ntpsec   3609778  0.0  0.9  85556 19880 ?        SLs   9月30   0:28 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root           1  0.0  0.6  22424 13312 ?        Ss    2025  17:39 /usr/lib/systemd/systemd --system --deserialize=92