■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.2Gi       159Mi        45Mi        55Mi       715Mi       724Mi
Swap:          2.0Gi       268Ki       2.0Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql       1011  0.4 25.9 2321128 521648 ?      Ssl  10月31   1:48 /usr/sbin/mysqld
nginx       1103  0.1 19.8 274688016 400468 ?    Sl   10月31   0:35 dotnet WebApp.dll
root         833  0.1  4.1 1569232 83992 ?       Ssl  10月31   0:30 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1135  0.0  3.6 207924 73048 ?        Sl   10月31   0:20 /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
_fluentd    1132  0.0  2.5 179044 51716 ?        Sl   10月31   0:05 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root         857  0.0  1.4  39516 29216 ?        Ss   10月31   0:02 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root         369  0.0  1.3 288960 27300 ?        SLsl 10月31   0:01 /sbin/multipathd -d -s
root         916  0.0  1.1 110772 23644 ?        Ssl  10月31   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
ntpsec       859  0.0  0.9  85556 20132 ?        SLs  10月31   0:01 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
root         314  0.0  0.9  66848 18272 ?        S<s  10月31   0:00 /usr/lib/systemd/systemd-journald