Purely internal tables that just connect one foreign key to another are not needed but let's double check that everything else is dumped. It's been awhile.
Some useful links:
All three are replicated 1:1 to labs, so I think they're fine to just be dumped too (as someone with labs access can do the same thing)
T103011 gives some nice background on the labs-replicated databases. so adding that here.
Reedy, thanks for the comment, I'll add a patch to dump those tables starting with the next run,
@aaron This revision rEFLR848ef073fa89036c40c440016a8092690ddcf56b for FlaggedRevs seems to indicate that flaggedrevs_stats and flaggedrevs_stats2 are no longer used. Do you know or can you point me to someone who could verify that this is the case? If they aren't used, I will add them to my 'don't ever dump these' list. Thanks!