■free -w -h

               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       1.0Gi       269Mi        32Mi       111Mi       765Mi       914Mi
Swap:          2.0Gi       401Mi       1.6Gi

■ps aux --sort -%mem

USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql    2506832  0.8 17.0 2355896 343840 ?      Ssl   6月23 148:11 /usr/sbin/mysqld
nginx    2390639  0.0 14.5 274693532 293432 ?    Sl    6月12  10:16 dotnet WebApp.dll
root     2592540  0.2  3.2 1562072 65120 ?       Ssl   7月01  11:39 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd 2506948  0.1  2.4 212860 48384 ?        Sl    6月23  25:30 /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     2572712  0.0  2.2  66680 45952 ?        S<s   6月29   0:17 /usr/lib/systemd/systemd-journald
nginx    2513977  0.0  1.9  67064 38540 ?        S     6月24   0:03 nginx: worker process
root     2356603  0.0  1.3 223416 26880 ?        SLsl  6月09   3:59 /sbin/multipathd -d -s
nginx    2513978  0.0  1.3  56276 26780 ?        S     6月24   0:03 nginx: worker process
ntpsec   2380135  0.0  0.9  85676 20068 ?        SLs   6月11   2:27 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec
_fluentd 2506945  0.0  0.8 178796 17076 ?        Sl    6月23   6:18 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid