■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       255Mi        40Mi       134Mi       801Mi       952Mi
Swap:          2.0Gi       367Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2951694  0.8 19.1 2356636 384828 ?      Ssl   7月31 297:38 /usr/sbin/mysqld
nginx    3182442  0.0 11.2 274664652 227040 ?    Sl    8月19   2:01 dotnet WebApp.dll
root     3091265  0.0  3.9 173712 79360 ?        S<s   8月12   0:36 /usr/lib/systemd/systemd-journald
root     3096153  0.2  3.3 1562004 66488 ?       Ssl   8月12  33:48 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 2951707  0.1  2.4 212856 49728 ?        Sl    7月31  52:35 /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     3224579  0.0  2.1 480396 43092 ?        Ssl  07:36   0:00 /usr/libexec/fwupd/fwupd
root     3182418  0.0  1.4  39508 28988 ?        Ss    8月19   1:01 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root     3096011  0.0  1.3 223416 27008 ?        SLsl  8月12   1:42 /sbin/multipathd -d -s
ntpsec   3095999  0.0  0.9  85552 19876 ?        SLs   8月12   1:09 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 2951704  0.0  0.6 178728 13940 ?        Sl    7月31  12:41 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid