■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       169Mi        40Mi       115Mi       919Mi       965Mi
Swap:          2.0Gi       350Mi       1.7Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql     865855  0.8 18.1 2323160 364956 ?      Ssl   2月05 227:05 /usr/sbin/mysqld
nginx    1013764  0.0 12.2 274648088 246920 ?    Sl    2月18   2:38 dotnet WebApp.dll
root      865678  0.0  6.7 188084 134912 ?       S<s   2月05   1:00 /usr/lib/systemd/systemd-journald
root     1013668  0.2  2.9 1495700 58984 ?       Ssl   2月18  16:25 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd  865934  0.1  2.4 212924 49084 ?        Sl    2月05  39:20 /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
root     1013674  0.0  1.4  39500 29124 ?        Ss    2月18   1:23 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root      865664  0.0  1.3 223416 27008 ?        SLsl  2月05   2:47 /sbin/multipathd -d -s
root     1080991  0.0  1.0 373876 20992 ?        Ssl  12:49   0:00 /usr/libexec/packagekitd
ntpsec    865667  0.0  0.9  85676 20024 ?        SLs   2月05   1:51 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd  865929  0.0  0.9 178732 18172 ?        Sl    2月05   9:46 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid