Fight bugs, not FESCo

[Till Maas]

On Fri, Mar 05, 2010 at 06:18:37PM -0600, Mike McGrath wrote:
> On Sat, 6 Mar 2010, Till Maas wrote:
> 
> > On Mon, Mar 01, 2010 at 10:42:32AM -0600, Mike McGrath wrote:

> > Imho for the beginning, there is no need to be able to query complete
> > profiles, but it would be enough to have a count per package. A simple
> > implementation for this would be:
> >
> > 1) clients send a plaintext list of installed packages and a UUID every
> > X days or by user request
> > 2) file is stored in UUID.$timestamp (or it is stored as a BLOB in the
> > DB)
> > 3) once a day a crawler reads all files and counts for each package how
> > often they are installed, this is stored in a DB for easy querying
> > 4) all files older than X days are deleted
> >
> > rpm -qa xz compressed uses 17K on my system, for 1.8 million profiles
> > this would require 31GB of storage, but this amount of storage would be
> > needed at least of every approach if we need this details.
> >
> > The only improvement I can think of would be to only report the leaves
> > and compute the dependencies on the server, then we can use the output
> > of "package-cleanup --leaves --all", which is xz-compressed only 4K on
> > my system or 7.4 GB for 1.8 million profiles.
> >
> 
> I'm happy to provide a current dump of the database if you want to
> populate it with sample data and see how things look?

Yes, please.

Regards
Till
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