■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       177Mi        39Mi       142Mi       787Mi       897Mi
Swap:          2.0Gi       254Mi       1.8Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql        944  0.7 20.3 2320920 409968 ?      Ssl  10月04 129:31 /usr/sbin/mysqld
nginx       1119  0.0 18.8 274754988 378580 ?    Sl   10月04   4:59 dotnet WebApp.dll
root         776  0.1  3.4 1463860 68736 ?       Ssl  10月04  32:52 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1165  0.1  2.9 208824 59156 ?        Sl   10月04  23:14 /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         311  0.0  1.4  75024 29960 ?        S<s  10月04   0:37 /usr/lib/systemd/systemd-journald
root         363  0.0  1.3 288952 26880 ?        SLsl 10月04   1:37 /sbin/multipathd -d -s
ntpsec       792  0.0  0.9  85680 20064 ?        SLs  10月04   1:05 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd    1162  0.0  0.6 178792 13892 ?        Sl   10月04   5:27 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root           1  0.0  0.6  22824 13612 ?        Ss   10月04   0:35 /sbin/init
root         851  0.0  0.6 110756 13312 ?        Ssl  10月04   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal