Sascha added a comment.
Regarding dump-level metadata, it would be super useful to know what timestamp should be passed to EventStreams <https://wikitech.wikimedia.org/wiki/Event_Platform/EventStreams#Historical_Consumption> for catching up with user edits after the dump was produced. To find this timestamp, can clients extract the entity ID with the highest `lastrevid` from a Wikidata dump, and then retrieve the corresponding timestamp via `Special:EntityData` like this <https://www.wikidata.org/wiki/Special:EntityData?id=Q1&format=json&revision=1408839610>? Or would a sync-up client loose some edits if it were to do this? (For example, if dumps get produced by parallel workers, they’d probably have to agree on a cut-off revision before starting the dumping process; otherwise, the JSON file wouldn’t necessarily contain all changes before the highest `lastrevid` in the dump file... correct?) TASK DETAIL https://phabricator.wikimedia.org/T87283 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Sascha Cc: Sascha, Lydia_Pintscher, Pintoch, Addshore, Ivan_A_Krestinin, TorbenRahbekKoch, Ricordisamoa, Denis.bykov, Jimkont, Magnus, mkroetzsch, JanZerebecki, hoo, Aklapper, Smalyshev, Invadibot, maantietaja, Akuckartz, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, Wikidata-bugs, aude, Mbch331
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