■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       118Mi        41Mi       138Mi       824Mi       842Mi
Swap:          2.0Gi       120Mi       1.9Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2380400  0.8 22.7 2321116 459052 ?      Ssl   6月11 124:45 /usr/sbin/mysqld
nginx    2390639  0.0 10.9 274656388 221068 ?    Sl    6月12   4:04 dotnet WebApp.dll
root     2380155  0.0  4.0 121788 81536 ?        S<s   6月11   0:30 /usr/lib/systemd/systemd-journald
_fluentd 2380357  0.1  3.5 212924 71324 ?        Sl    6月11  21:10 /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     2380278  0.2  3.1 1562016 62476 ?       Ssl   6月11  29:39 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 2380354  0.0  2.3 178796 47408 ?        Sl    6月11   5:17 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     2390616  0.0  1.4  39500 28880 ?        Ss    6月12   2:12 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root     2356603  0.0  1.3 223416 26880 ?        SLsl  6月09   1:50 /sbin/multipathd -d -s
ntpsec   2380135  0.0  0.9  85676 20068 ?        SLs   6月11   1:00 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
nginx    2380139  0.0  0.6  41340 13704 ?        S     6月11   0:19 nginx: worker process