■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       986Mi       236Mi        29Mi        81Mi       860Mi       979Mi
Swap:          2.0Gi        38Mi       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql      19012  0.8 24.9 2314932 502768 ?      Ssl  06:01   0:28 /usr/sbin/mysqld
nginx      18876  0.1  8.4 274618860 170716 ?    Sl   06:01   0:05 dotnet WebApp.dll
root       18757  0.2  3.9 1569332 79608 ?       Ssl  06:01   0:07 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1125  0.1  3.1 203764 63280 ?        Sl   10月20   2:40 /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    1122  0.0  1.6 184036 32836 ?        Sl   10月20   0:39 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root       18852  0.0  1.4  39516 29088 ?        Ss   06:01   0:00 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root       18621  0.0  1.3 223424 27168 ?        SLsl 06:01   0:00 /sbin/multipathd -d -s
ntpsec       802  0.0  0.9  85556 20132 ?        SLs  10月20   0:07 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root       18611  0.0  0.9  42136 19828 ?        S<s  06:01   0:00 /usr/lib/systemd/systemd-journald
root           1  0.0  0.6  22428 13776 ?        Ss   10月20   0:05 /usr/lib/systemd/systemd --system --deserialize=128