Mpaa added a subscriber: Mpaa. Mpaa added a comment.

I guess each request in the QueryGenerator _Iter_ loop is independent from the previous. If one is unlucky enough, the random start of a batch might fail in an already seen interval?

TASK DETAIL https://phabricator.wikimedia.org/T84944

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To: Mpaa Cc: pywikipedia-bugs, Aklapper, jayvdb, Mpaa