RAM and CPU are not available in Resource Controller (cgroups) on Debian 8

Created:

2017-03-16 09:21:59 UTC

Modified:

2017-08-08 13:24:48 UTC

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RAM and CPU are not available in Resource Controller (cgroups) on Debian 8

Symptoms

RAM and CPU are not available in Resource Controller (cgroups) on Debian 8 but on Plesk Administrator Guide there are no limitations indicated for Debian 8.

Cause

Cgroups has limited functionality on Debian 8 OS. Debian 8 kernel does not support the cgroups CPU and RAM resource usage limitation. This is limited on a kernel side. Here is the detailed information about the issue on Debian side: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=789019

Plesk documentation does not reflect these limitations so far, so it is confirmed as bug with ID #PTD-1295 which will be fixed soon by updating Plesk documentation.

Resolution

As a workaround, install the newer kernel version from the debian-backports repository using the steps described in the article below:

https://unix.stackexchange.com/a/352996

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