■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       981Mi       184Mi        40Mi       117Mi       921Mi       984Mi
Swap:          2.0Gi       350Mi       1.7Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     865855  0.8 18.1 2323160 364956 ?      Ssl   2月05 227:58 /usr/sbin/mysqld
nginx    1013764  0.0 12.1 274648096 245364 ?    Sl    2月18   2:41 dotnet WebApp.dll
root      865678  0.0  6.7 188084 135552 ?       S<s   2月05   1:01 /usr/lib/systemd/systemd-journald
root     1013668  0.2  2.9 1495700 59880 ?       Ssl   2月18  16:39 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  865934  0.1  2.4 212924 48672 ?        Sl    2月05  39:29 /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     1013674  0.0  1.4  39500 29124 ?        Ss    2月18   1:24 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root      865664  0.0  1.3 223416 27008 ?        SLsl  2月05   2:47 /sbin/multipathd -d -s
ntpsec    865667  0.0  0.9  85676 20024 ?        SLs   2月05   1:52 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd  865929  0.0  0.9 178732 18172 ?        Sl    2月05   9:48 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     1013606  0.0  0.6 318356 12288 ?        Ssl   2月18   0:00 /usr/sbin/ModemManager