We'll take a look at our dashboards and annotate them as needed to account for the bug and it's resolution.
It does make me wonder how the results would have been different for our recent test (explore similar language links) if we had actually received the usage we thought we were getting. Thanks for the discovery of the bug and the fix! -- deb tankersley Product Manager, Discovery Wikimedia Foundation On Thu, Oct 12, 2017 at 9:14 AM, Erik Bernhardson < [email protected]> wrote: > This might explain the unexpectedly low results from the explore similar > test. Not saying he fix would ensure usage, but it seems we lost quite a > few events. This problem also effects autocompletd data we dashboard, > although I don't think we've used it for tests recently. Full text search > analytics should be unaffected as they don't use the mw.track functionality. > > ---------- Forwarded message ---------- > From: "Sam Smith" <[email protected]> > Date: Oct 12, 2017 3:41 AM > Subject: [Analytics] Heads up: mw.track client-side EventLogging mechanism > "ignored" certain events > To: "Analytics List" <[email protected]> > Cc: > > o/ > > Prior to Thursday, 28th September, if your client-side EventLogging > instrumentation logged event via mw.track, then only events tracked > during the first pageview of a user's session were logged. > > Now, technically, the events weren't ignored or dropped. Instead, the > subscriber for the "event" topic was never subscribed when the module > was loaded from the ResourceLoader's cache and so events published on > that topic simply weren't received and logged. > > This bug was discovered while testing some instrumentation maintained > by Readers Web [0] and independently by Timo Tijhof, who submitted the > ideal fix [1] promptly. > > -Sam > > [0] https://phabricator.wikimedia.org/T175918 > [1] https://gerrit.wikimedia.org/r/#/c/378804/ > > --- > Engineering Manager > Readers > > Timezone: BST (UTC+1) > IRC (Freenode): phuedx > > _______________________________________________ > Analytics mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/analytics > > > > _______________________________________________ > Discovery mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/discovery > >
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