Any help would be much appreciated.
Change #1:
reduced the big core CPU default ondemand frequency from 2.0Ghz to 1.5Ghz
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root@hc1:/home/vincent# cpufreq-info -o
minimum CPU frequency - maximum CPU frequency - governor
CPU 0 200000 kHz ( 13 %) - 1500000 kHz (100 %) - ondemand
CPU 1 200000 kHz ( 13 %) - 1500000 kHz (100 %) - ondemand
CPU 2 200000 kHz ( 13 %) - 1500000 kHz (100 %) - ondemand
CPU 3 200000 kHz ( 13 %) - 1500000 kHz (100 %) - ondemand
CPU 4 200000 kHz ( 10 %) - 1536000 kHz ( 76 %) - ondemand
CPU 5 200000 kHz ( 10 %) - 1536000 kHz ( 76 %) - ondemand
CPU 6 200000 kHz ( 10 %) - 1536000 kHz ( 76 %) - ondemand
CPU 7 200000 kHz ( 10 %) - 1536000 kHz ( 76 %) - ondemand
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/etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
[connection]
wifi.powersave = 3
I'm using a the following docker container:
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vincent@hc1:~$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
db38467b13e2 carlosedp/node_exporter "/bin/node_exporter …" 2 weeks ago Up 2 days hc1_node
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vincent@hc1:~$ uname -a
Linux hc1 4.14.107-157 #1 SMP PREEMPT Thu Mar 21 09:59:50 -03 2019 armv7l armv7l armv7l GNU/Linux
vincent@hc1:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS"