TwistingTwists
I am using presigned_url with PUT to upload to S3 via external url.
However a strange thing is happening.
- I can upload a .pdf / .mp4 / .bin format upto 15 Mb without any issue.
- any file close to 40MB has only 8MB size on S3 bucket even though the liveview’s
handle_progressreports 100% upload. - 50 MB file has roughly 17MB file size in S3.
the S3 backend is Cloudflare R2.
Edit: I can upload the files upto 2GB when using ExAws.put_object .
Due to this, when I try to download the same file via presigned url (GET), only 17MB is downloaded!
How to debug this issue?
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TwistingTwists
so, one issue is preflight urls.
preflight_request - has the complete size = 39942663
preflight response - has chunk size = 1000000
and it appears to upload that first chunk only. (or maybe rewrites that over and over)