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■free -w -h
               total        used        free      shared     buffers       cache   available
Mem:           1.9Gi       978Mi       254Mi        36Mi        87Mi       848Mi       987Mi
Swap:          2.0Gi          0B       2.0Gi

■ps aux --sort -%mem
USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
mysql        950  0.5 21.5 2332580 434544 ?      Ssl   9月16   7:40 /usr/sbin/mysqld
nginx       1005  0.0 10.4 274656280 210164 ?    Sl    9月16   0:20 dotnet WebApp.dll
_fluentd    1044  0.1  3.5 203504 70880 ?        Sl    9月16   1:35 /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         776  0.1  3.3 1419132 67084 ?       Ssl   9月16   2:21 /usr/bin/python3 /usr/bin/fail2ban-server -xf start
_fluentd    1037  0.0  2.5 178720 51628 ?        Sl    9月16   0:25 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
root        1589  0.0  1.9 582120 40160 ?        Ssl   9月16   0:05 /usr/libexec/fwupd/fwupd
root         799  0.0  1.4  39480 28696 ?        Ss    9月16   0:12 /usr/bin/python3 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
root         365  0.0  1.3 288948 27008 ?        SLsl  9月16   0:07 /sbin/multipathd -d -s
root         847  0.0  1.1 110680 23040 ?        Ssl   9月16   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
ntpsec       793  0.0  0.9  85676 19944 ?        SLs   9月16   0:05 /usr/sbin/ntpd -p /run/ntpd.pid -c /etc/ntpsec/ntp.conf -g -N -u ntpsec:ntpsec