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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