■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       245Mi        38Mi       106Mi       787Mi       903Mi
Swap:          2.0Gi       513Mi       1.5Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
nginx    1322642  0.0 20.6 274686316 415760 ?    Sl    3月12   7:06 dotnet WebApp.dll
mysql    1168482  0.8 14.2 2322132 286296 ?      Ssl   3月01 309:26 /usr/sbin/mysqld
root     1498247  0.2  3.8 1511988 76544 ?       Ssl  06:21   0:48 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 1168531  0.1  2.3 212924 47472 ?        Sl    3月01  57:38 /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     1498105  0.0  1.3 223416 27008 ?        SLsl 06:21   0:02 /sbin/multipathd -d -s
ntpsec   1498095  0.0  0.9  85676 19940 ?        SLs  06:21   0:01 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root     1493386  0.0  0.7  33952 15872 ?        S<s  06:20   0:01 /usr/lib/systemd/systemd-journald
root           1  0.0  0.6  22540 13952 ?        Ss    2025   6:44 /usr/lib/systemd/systemd --system --deserialize=70
_fluentd 1168527  0.0  0.6 178732 13948 ?        Sl    3月01  13:46 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     1498127  0.0  0.6 468844 13312 ?        Ssl  06:21   0:00 /usr/libexec/udisks2/udisksd