[6.8.3] Unnecessary overwriting of JSON-files in docker.img every 5 seconds
@Valerio found this out first, but never received an answer. Today I found it out, too. But this is present since 2019 (or even longer).
I would say it's a bug, as:
it prevents HDD/SSD spindown/sleep (depending on the location of docker.img)
it wears out the SSD in the long run (if docker.img is located here) - see this bug, too.
it prevents reaching CPU's deep sleep states
What happens:
/var/lib/docker/containers/*/hostconfig.json is updat
Minor
@limetech
I solved this issue as follows and successfully tested it in:
Unraid 6.9.2
Unraid 6.10.0-rc1
Add this to /boot/config/go (by Config Editor Plugin):
Optional: Limit the Docker LOG size to avoid using too much RAM:
Reboot server
Notes:
By this change /var/lib/docker/containers, which contains only status and log files, becomes a RAM-Disk and therefore avoids wearing out your SSD and allows a permanent sleeping S
