User blog comment:Rappy 4187/Technical Update: August 2, 2017/@comment-32354545-20170803061757/@comment-126761-20170803151842

It would not, unfortunately - import issues are generally due to connection limitations (if it takes too long, the servers would start rejecting the upload). If that's a significant concern, please do send in a Special:Contact report - we may be able to help you work around that.