■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       163Mi        34Mi        98Mi       852Mi       881Mi
Swap:          2.0Gi       591Mi       1.4Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
nginx    1322642  0.0 19.3 274686316 389636 ?    Sl    3月12  10:35 dotnet WebApp.dll
mysql    1168482  0.8 15.5 2334652 313688 ?      Ssl   3月01 399:40 /usr/sbin/mysqld
root     1498247  0.2  3.4 1536712 69160 ?       Ssl   3月26  23:17 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 1168531  0.1  2.3 212924 47744 ?        Sl    3月01  74:31 /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     1504364  0.0  1.8 645052 36824 ?        Ssl   3月26   0:41 /usr/libexec/fwupd/fwupd
root     1552962  0.0  1.5  50296 30848 ?        S<s   3月30   0:11 /usr/lib/systemd/systemd-journald
root     1498105  0.0  1.3 223416 27008 ?        SLsl  3月26   1:09 /sbin/multipathd -d -s
ntpsec   1498095  0.0  0.9  85676 19940 ?        SLs   3月26   0:45 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 1168527  0.0  0.6 178732 13952 ?        Sl    3月01  17:47 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root           1  0.0  0.6  22708 13696 ?        Ss    2025   7:19 /usr/lib/systemd/systemd --system --deserialize=70