Am 08.03.2013 06:31, schrieb Holger Winkelmann: > ----- Original Message ----- >> Hey! >> >> Finally, here's 198, with many big changes: >> >> >> * Resource limits (as exposed by the various control group >> controllers) can now be controlled dynamically at runtime >> for all units. More specifically, you can now use a command >> like "systemctl set-cgroup-attr foobar.service cpu.shares >> 2000" to alter the CPU shares a specific service gets. These >> settings are stored persistently on disk, and thus allow the >> administrator to easily adjust the resource usage of >> services with a few simple commands. This dynamic resource >> management logic is also available to other programs via the >> bus. Almost any kernel cgroup attribute and controller is >> supported. > > Can you explain how the settings for a particular units are persistently > stored. Does systemd write back such values into the particular unit, or > are they stored somewhere else? The reason why I'm asking is the facts > that stuff like this strives the configuration management functions of > a Linux system.
i would say it is NOT the intention to touch the systemd-unit you have to edit this by yourself, but the dynamic way gives you a way to get this changes active without restart the service
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