Fwd: Proposed F19 Feature: systemd features

Stephen Gallagher sgallagh at redhat.com
Mon Jan 28 12:41:38 UTC 2013


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On Sun 27 Jan 2013 08:54:49 AM EST, Jaroslav Reznik wrote:
> Announcing various systemd features in one announcement, see
> bellow:
> 

<snip>

> = Features/SystemdHardwareDatabase = 
> https://fedoraproject.org/wiki/Features/SystemdHardwareDatabase
> 
> Feature owner(s): Kay Sievers <kay at redhat dot com>
> 
> The udevd service has a long history of managing kernel devices.
> Besides generating events when devices are discovered or removed it
> maintains a dynamic, stateless database of all available devices
> including meta data about them. With Fedora 19 we want to
> substantially enhance the metadata that udev keeps for each device,
> by augmenting it from a userspace database of non- essential
> information, that is indexed by device identification data such as
>  PCI/USB vendor/product IDs.
> 

This to me looks like it would be an excellent data source for our
hardware inventory provider. We should sync up with the systemd folks
to identify the available D-BUS interfaces to query for this information.

<snip>

> = Features/SystemdResourceControl = 
> https://fedoraproject.org/wiki/Features/SystemdResourceControl
> 
> Feature owner(s): Lennart Poettering <lennart at poettering dot
> net>
> 
> systemd already has support for assigning specific resources to
> system services using various configuration settings. With Fedora
> 19 we'd like to build on that, and add the ability for the admin to
> dynamically query the resource control parameters and change them
> at runtime.
> 

This is definitely another thing to keep an eye on. This is exactly
the sort of performance tweaking we will want to be able to accomplish
from a central location, so we should very seriously consider how best
we can control this via OpenLMI.
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