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Numerous Multi upload freezes JS (twice)

See original GitHub issue

When doing a large upload in terms of how many files you are uploading at once, at two point during the process the browser “hangs”. Scrolling works, but forms and JavaScript do not:

  • Pressing upload (before prepare starts).
  • Starting first XHR upload (after prepare is done).

This behaviour is always present, even when not needing to prepare (S3 presign). You can try it on https://uppy.io/. I simply downloaded the first 100 pictures from unsplash and tried to upload them.

[Uppy] [16:10:52] uploading 1 of 100
[Uppy] [16:11:05] uploading 100 of 100

Inbetween these two timestamps, visually nothing happens, and all interaction except for scrolling is blocked.

Issue Analytics

  • State:closed
  • Created 6 years ago
  • Comments:5 (2 by maintainers)

github_iconTop GitHub Comments

2reactions
arturicommented, Mar 1, 2018

Hi! Thanks for reporting, I’ll investigate and get back to you.

0reactions
kvzcommented, May 8, 2018

Here’s a proposed fix that I think is related 👌https://github.com/transloadit/uppy/pull/796

Read more comments on GitHub >

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