■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       944Mi       189Mi        36Mi       110Mi       956Mi       1.0Gi
Swap:          2.0Gi       377Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    1168482  0.8 16.3 2322132 329048 ?      Ssl   3月01 186:46 /usr/sbin/mysqld
nginx    1322642  0.0 11.4 274657260 230364 ?    Sl    3月12   2:01 dotnet WebApp.dll
root     1299515  0.2  2.6 1504968 52376 ?       Ssl   3月10  18:29 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 1168531  0.1  2.4 208764 48360 ?        Sl    3月01  33:50 /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     1343530  0.0  2.3  72592 47744 ?        S<s   3月14   0:07 /usr/lib/systemd/systemd-journald
root     1168446  0.0  1.3 223416 27008 ?        SLsl  3月01   2:15 /sbin/multipathd -d -s
ntpsec   1168438  0.0  0.9  85676 20004 ?        SLs   3月01   1:34 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 1168527  0.0  0.7 178732 15716 ?        Sl    3月01   8:10 /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  22596 13824 ?        Ss    2025   6:06 /usr/lib/systemd/systemd --system --deserialize=77
root     1322618  0.0  0.6  39500 13776 ?        Ss    3月12   1:00 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf