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■free -w -h
               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       672Mi       660Mi        25Mi       140Mi       688Mi       1.3Gi
Swap:          2.0Gi       406Mi       1.6Gi

■ps aux --sort -%mem
USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     505690  0.7  9.9 2331092 200772 ?      Ssl  11月14 294:06 /usr/sbin/mysqld
nginx     828322  0.0  7.4 274628148 149880 ?    Sl   06:53   0:07 dotnet WebApp.dll
root      828137  0.2  3.2 1438300 65896 ?       Ssl  06:53   0:44 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  505804  0.1  2.1 207544 42632 ?        Sl   11月14  55:40 /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         313  0.0  1.9  91540 40248 ?        S<s   9月27   4:19 /usr/lib/systemd/systemd-journald
root      831447  0.1  1.9 475804 38528 ?        Ssl  12:35   0:00 /usr/libexec/fwupd/fwupd
root      828268  0.0  1.4  39476 28960 ?        Ss   06:53   0:04 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root      166327  0.0  1.3 223416 26880 ?        SLsl 10月17   7:43 /sbin/multipathd -d -s
ntpsec    166323  0.0  0.9  85672 20020 ?        SLs  10月17   5:21 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd  505801  0.0  0.6 178792 13440 ?        Sl   11月14  13:59 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid