Fantastic news! Great work handling this behemoth of a technical challenge.
On Fri, Dec 22, 2017 at 2:26 AM, Daniel Kinzler <daniel.kinz...@wikimedia.de > wrote: > Hello all! > > Addshore last night merged the patch[1] that is the first major step > towards > Multi-Content-Revisions[2]: it completely guts the Revision class and > turns it > into a thin proxy for the new RevisionStore service. The new code is now > live > on beta. > > This is our second attempt: The first one, on December 18th, thoroughly > corrupted the beta database. It took us some time and a lot of help from > Aaron > and especially Roan to figure out what was happening. A detailed > post-mortem by > Roan can be found at [3]. > > Anyway - this stage of MCR development introduces the new multi-revision > capable > interface for revision storage (and blob storage) [4]. It does not yet > introduce > the new database schema, that will be the next step [5][6]. While doing the > refactoring, I tried to keep the structure of the existing code mostly > intact, > just moving functionality out of Revision into the new classes, most > importantly > RevisionRecord, RevisionStore, and BlobStore. > > Beware that with the next deployment (due January 2nd) the live sites will > start > using the new code. Please keep an eye out for any strangeness regarding > revision handling. Adam greatly improved test coverage of the relevant code > (thanks Adam!), but it's always possible that we missed some edge case, > maybe > something about archived revisions that were partially migrated from on old > schema or something similarly fun. > > Exiting times! > > Cheers > Daniel > > > [1] https://gerrit.wikimedia.org/r/#/c/399174/ > [2] https://www.mediawiki.org/wiki/Requests_for_comment/ > Multi-Content_Revisions > [3] https://phabricator.wikimedia.org/T183252#3853749 > [4] https://phabricator.wikimedia.org/T174025 > [5] https://phabricator.wikimedia.org/T174024 > [6] https://phabricator.wikimedia.org/T174030 > > > -- > Daniel Kinzler > Principal Platform Engineer > > Wikimedia Deutschland > Gesellschaft zur Förderung Freien Wissens e.V. > > > _______________________________________________ > Wikitech-l mailing list > Wikitech-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikitech-l _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l
