> > Realistically, when do you think we could get metrics dashboards updated > again? >
I can't make predictions at this point, as my changesets are quite big and haven't been reviewed yet. I should have a better idea once the first pass of review has happened. On Tue, May 20, 2014 at 6:30 PM, Fabrice Florin <[email protected]>wrote: > Dear Gilles, > > Thanks so much for your helpful explanation of what’s causing this issue. > > I am glad that you are on top of it. Please let us know what we can do to > support you. > > Realistically, when do you think we could get metrics dashboards updated > again? > > We have a big release on Thursday to English, German, Italian and Russian > Wikipedias, and it would be best if they could be working by then, so we > can track the impact of this major deployment. > > Fabrice > > > On May 20, 2014, at 5:21 AM, Gilles Dubuc <[email protected]> wrote: > > Media Viewer's usage of EventLogging grew considerably because of all the > tracking we're doing: > http://lists.wikimedia.org/pipermail/analytics/2014-May/002053.html and > Nuria asked us to reduce the rate. > > Due to the global size we're dealing with, instead of logging every action > on every site, we'll now have to measure a sample and extrapolate an > estimate. As a quickfix last Friday Gergo introduced the sampling of > actions (one every thousand actions instead of each action is now > recorded). As a result all figures on the actions graph were divided by > 1000 overnight, making the line appear to go to 0. If you actually hover > over recent days and look at the lest sidebar, you'll see that there are > figures (they are kind of useless, though, more on that below). > > We're now working on improvements and fixing the graphs: > https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/619The > general gist of it is that the figures will be compensated according to > the sampling and that the sampling factor will be fine-tuned to only apply > to metrics that were responsible for the high traffic. > > Unfortunately it looks like the 1:1000 sampling since last Friday was too > extreme and is destructive of information, even for the actions that were > the most numerous. We knew that such a high sampling factor was going to > destroy information for small wikis or metrics with low figures, but even > the huge metrics in the millions have become unreliable. I'm saying that > because multiplying even the largest figures by 1000 still doesn't give an > estimate close to what it was before the change. Which means that the > actions graph probably won't be fixable for the period since last Friday > until my fixes make it through. Even compensating for the sampling (by > multiplying the figures by 1000), the line would jump up and down every day > for each metric. > > Graphs other than actions are unaffected (they were already sampled). The > duration log was also affected, but that one doesn't have graphs yet, as > the task to create them has been given low priority in the cycle. > > > On Mon, May 19, 2014 at 8:43 PM, Fabrice Florin <[email protected]>wrote: > >> Hi guys, >> >> Does anyone know why the Media Viewer metrics dashboards seem to be stuck >> with old data from Friday? >> >> http://multimedia-metrics.wmflabs.org/dashboards/mmv >> >> Is there anything we could fiddle with to get the new data to show up? >> >> Thanks for any insights :) >> >> >> Fabrice >> >> >> _______________________________ >> >> Fabrice Florin >> Product Manager >> Wikimedia Foundation >> >> http://en.wikipedia.org/wiki/User:Fabrice_Florin_(WMF) >> >> >> >> >> _______________________________________________ >> Multimedia mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/multimedia >> >> > _______________________________________________ > Multimedia mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/multimedia > > > _______________________________ > > Fabrice Florin > Product Manager > Wikimedia Foundation > > http://en.wikipedia.org/wiki/User:Fabrice_Florin_(WMF) > > > > > _______________________________________________ > Multimedia mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/multimedia > >
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