https://bugzilla.wikimedia.org/show_bug.cgi?id=55287
--- Comment #1 from Kunal Mehta (Legoktm) legoktm.wikipedia@gmail.com --- When a dumpfile still exists the dumpf will be saved to the existing one and the bot takes the alphabetical last pages to -continue. This could cause to continue like a previous run after processing all pages above.