| BBlack added a comment. |
Yeah that was the plan, for XKey to help here by consolidating that down to a single HTCP / PURGE per article touched. It's not useful for the mass-scale case (e.g. template/link references), as it doesn't scale well in that direction. But for the case like "1 article == 7 URLs for different formats/variants/derivatives" it should work great. The varnish module for it is deployed, but we haven't ever found/made the time to loop back to actually using it (defining standards for how to transmit it over the existing HTCP protocol or the new EventBus and pushing developers to make use of it). I think last we talked we were going to move cache-purge traffic over to EventBus before tackling this (with kafka consumers on the cache nodes pulling the purges), but I'm not sure what the relative timelines on all related projects look like anymore.
Cc: Gilles, GWicke, ArielGlenn, Krinkle, Peter, EBernhardson, Smalyshev, gerritbot, Legoktm, daniel, hoo, aude, Lydia_Pintscher, JanZerebecki, MZMcBride, Luke081515, aaron, faidon, Joe, ori, BBlack, Aklapper, GoranSMilovanovic, Th3d3v1ls, Hfbn0, QZanden, Vali.matei, Zppix, Izno, Wikidata-bugs, Mbch331, Jay8g, fgiunchedi
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