| MarkTraceur | |
| Oct 23 2014, 8:38 PM |
| F25997: graphite.wikimedia.png | |
| Dec 31 2014, 6:04 PM |
Exhibit A: https://gerrit.wikimedia.org/r/168419
Caused, I think, by deprecation of the { ok: ..., err: ... } way of setting callbacks in mw.Api, but not totally sure. If that *is* the reason, then we never saw any warnings about it to my knowledge...
It may just be that we missed it, but if not, I figured it should be raised that a warning would be nice.
They were deprecated since MediaWiki 1.23. Deprecation warnings added in October 2013. Removed October 2014 (MediaWiki 1.25).
Various mailing lists were notified of deprecation warnings being introduced, call to migration several times, and at the actual removal (wikitech-l, mediawiki-l, wikitech-ambassadors, engineering-l) for Wikimedia.
The console warnings were also tracked in EventLogging (graphite):
https://www.mail-archive.com/wikitech-l%40lists.wikimedia.org/msg72198.html
https://www.mail-archive.com/wikitech-l%40lists.wikimedia.org/msg78108.html
Something we could do perhaps, is to do sampled logging of the stack for deprecated functions ?
Then we can gather the remaining locations that are triggering the deprecations.
We already gather some data about the callers (though not stack traces). However it's all in the EventLogging database. Only the counts can be exposed publicly, of course. Especially in Graphite where we have to aggregate it.
Once collected, we can make a few dumps of callers though. Patch/Task welcome :)