■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       881Mi       278Mi        36Mi       145Mi       895Mi       1.1Gi
Swap:          2.0Gi       903Mi       1.1Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
nginx     211486  0.0 13.3 274795204 269476 ?    Sl   10月24  10:40 dotnet WebApp.dll
mysql        944  0.8 12.6 2361864 253800 ?      Ssl  10月04 489:56 /usr/sbin/mysqld
root         776  0.2  2.8 1474680 56636 ?       Ssl  10月04 122:04 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
root         311  0.0  2.7 107792 55208 ?        S<s  10月04   2:22 /usr/lib/systemd/systemd-journald
_fluentd    1165  0.1  2.3 213048 48068 ?        Sl   10月04  86:21 /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         363  0.0  1.3 288952 26880 ?        SLsl 10月04   5:56 /sbin/multipathd -d -s
ntpsec       792  0.0  0.9  85680 20064 ?        SLs  10月04   4:01 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd    1162  0.0  0.6 178792 13292 ?        Sl   10月04  20:17 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root      143213  0.0  0.6  39496 13240 ?        Ss   10月17   7:11 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root         851  0.0  0.6 110756 13056 ?        Ssl  10月04   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal