Hi,
while doing some unrelated maintenance work around the EventLogging tables, I noticed that there are a few tables that look like cruft:
* Appended “_1” MultimediaViewerNetworkPerformance_7917896_1
(It's only about the table ending in “_1”, not the table without this suffix)
* zz_MobileWebInfobox_6221064 zz_ModuleStorage_6356853 zz_NavigationTiming_7494934 zz_PageContentSaveComplete_5303086 zz_PageContentSaveComplete_5588433 zz_PageSaveTiming_5557427 zz_TimingData_7254808
(It's only about the tables starting in “zz_”, not the tables without this prefix)
None of those received data since some time, and their names looks like they should removed anyways. Also, they are getting in the way for maintenance.
If no one speaks up until 2016-06-23, I'll consider them cruft and start working towards removing them.
Have fun, Christian
P.S.: This item is getting tracked at https://bugzilla.wikimedia.org/show_bug.cgi?id=66649