■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       293Mi        30Mi       153Mi       739Mi       965Mi
Swap:          2.0Gi        14Mi       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     396350  0.6 23.1 2313552 466900 ?      Ssl  06:54   4:52 /usr/sbin/mysqld
nginx     396372  0.0  8.5 274621136 171244 ?    Sl   06:54   0:12 dotnet WebApp.dll
root      396190  0.1  3.5 1454688 72272 ?       Ssl  06:54   1:25 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  396403  0.1  3.5 185268 70848 ?        Sl   06:54   0:53 /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  396400  0.0  2.5 174640 52216 ?        Sl   06:54   0:14 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root      396145  0.0  2.1  71068 42496 ?        S<s  06:54   0:01 /usr/lib/systemd/systemd-journald
root      396341  0.0  1.4  39484 29044 ?        Ss   06:54   0:07 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root      258299  0.0  1.3 223416 27008 ?        SLsl  2月08   2:06 /sbin/multipathd -d -s
ntpsec    396120  0.0  0.9  85672 20064 ?        SLs  06:54   0:03 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root           1  0.0  0.6  22348 13696 ?        Ss    1月12   2:02 /usr/lib/systemd/systemd --system --deserialize=107