■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.1Gi       279Mi        41Mi        98Mi       730Mi       869Mi
Swap:          2.0Gi        12Mi       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2951694  0.8 24.5 2328948 493372 ?      Ssl   7月31  24:00 /usr/sbin/mysqld
nginx    2951668  0.0 10.7 274623260 216716 ?    Sl    7月31   1:00 dotnet WebApp.dll
_fluentd 2951707  0.1  3.7 204664 75424 ?        Sl    7月31   4:04 /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     2951601  0.2  3.4 1560364 70404 ?       Ssl   7月31   5:45 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 2951704  0.0  2.5 178728 51160 ?        Sl    7月31   1:02 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root     2951499  0.0  2.0  66324 41856 ?        S<s   7月31   0:06 /usr/lib/systemd/systemd-journald
root     2951613  0.0  1.4  39508 29004 ?        Ss    7月31   0:29 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root     2926039  0.0  1.3 223416 27008 ?        SLsl  7月29   0:36 /sbin/multipathd -d -s
ntpsec   2964212  0.0  0.9  85552 19876 ?        SLs   8月01   0:06 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root           1  0.0  0.6  22248 13440 ?        Ss    2025  14:12 /usr/lib/systemd/systemd --system --deserialize=128