I found one minor issue:
creating users
Skipping user id 1 because email is blank
641 / 1041 ( 61.6%) Skipping user id 68191 because email is blank
1043 / 1041 (100.2%)
creating categories
Admin
The Kiteboarding
The Gear
Everything Else
Snowboarding/Ski
Other sports - MTB, Wake, SUP, Surf and anything else
/var/www/discourse/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.4/lib/active_record/validations.rb:57:in `save!': Validation failed: Category Name is too long (maximum is 50 characters) (ActiveRecord::RecordInvalid)
I think this can be fixed by changing the mysql select to trim category names to 50 chars. I’ll put that in a pull request.