Interesting thread ... (not). Congratulations for guiding it with insightful and non-emotional contributions, Arjan.
Can somebody from Intel answer One of the questions about EDS? On Mon, 2011-03-07 at 22:40 +0100, Philip Van Hoof wrote: Question one: > Can you explain us, how does EDS improve privacy control compared to > Tracker's RDF store? Does EDS have a way to represent different graphs > (part of Tracker's future plans to do per-resource privacy control)? > > How in EDS do you say that data (about) x isn't to be made > available to queries made by application y? It's the first time > that I hear that EDS has such a privacy related capabilities. Question two: > Can you also go a bit deeper into how EDS's performance compares to > Tracker's RDF store for comparable data entry operations? Have you guys > done measurements on this? Can the results of these measurements and the > method to reproduce be publicized? Are the queries you used available > somewhere? Where? Question three: > What do you mean with scalability? Scalable over multiple application > domains other than PIM? Or scalable to more data? Question four: > And what kind of data? I wonder how EDS is or can be more scalable > when the underlying database technology (SQLite, apparently) is identical. > > In Tracker is each class stored in a decomposed table. This means that > contact and E-mail data are each in separate tables. Although decomposed > typically makes INSERT a bit slower, SELECT is a lot faster. Question five: > How will or does EDS make SELECT equally 'scalable' with equally complex > queries? > Also note that the Tracker team optimizes both INSERT and SELECT > use-cases on a use-case per use-case basis, using its domainindexes and > indexes. Question seven: > Have you contacted the Tracker team about the scalability > problems (if any)? Cheers, Philip -- Philip Van Hoof freelance software developer Codeminded BVBA - http://codeminded.be _______________________________________________ MeeGo-dev mailing list MeeGo-dev@meego.com http://lists.meego.com/listinfo/meego-dev http://wiki.meego.com/Mailing_list_guidelines
