Thanks Alex! And thanks for the update Sam. We've talked many times with analytics about how useful it would be to do anomaly detection on our graphs (there's a bug somewhere out there for this) but I'm glad this took us a week to notice.
On Tue, Sep 8, 2015 at 1:50 PM, Sam Smith samsmith@wikimedia.org wrote:
Hey y'all,
Yesterday (Monday, 7th) Alex Monk submitted and subsequently back-ported and deployed a fix for an annoying bug in the code that registers the EventLogging schemas in the MobileFrontend extension [0]. The bug resulted in browse and diff click events failing to log as associated schemas weren't registered.
The patch that introduced the bug was merged on Tuesday, 25th August, which, I think, means that it'd have been deployed on Thursday, 3rd September – that's a long weekend's worth of data that we won't see again.
Thanks to Alex for squashing the bug so diligently.
–Sam
[0] https://gerrit.wikimedia.org/r/#/c/236239/
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