■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       946Mi       294Mi        33Mi        68Mi       887Mi       1.0Gi
Swap:          2.0Gi       405Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     865855  0.8 17.9 2323160 360476 ?      Ssl   2月05 255:36 /usr/sbin/mysqld
nginx    1013764  0.0 10.3 274648088 208320 ?    Sl    2月18   3:45 dotnet WebApp.dll
root      865678  0.0  4.4 128204 89788 ?        S<s   2月05   1:11 /usr/lib/systemd/systemd-journald
root     1013668  0.2  3.3 1496512 68020 ?       Ssl   2月18  23:31 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  865934  0.1  2.4 212924 49040 ?        Sl    2月05  44:16 /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     1095424  0.0  1.9 603440 39256 ?        Ssl   2月24   0:08 /usr/libexec/fwupd/fwupd
root      865664  0.0  1.3 223416 27008 ?        SLsl  2月05   3:07 /sbin/multipathd -d -s
ntpsec    865667  0.0  0.9  85676 20024 ?        SLs   2月05   2:05 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root     1013674  0.0  0.7  39500 14276 ?        Ss    2月18   1:58 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
_fluentd  865929  0.0  0.6 178732 14092 ?        Sl    2月05  10:58 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid