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Enable S3 multipart upload (in non-direct upload)#12358

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landreev merged 2 commits intoIQSS:developfrom
janvanmansum:enable-multipart-upload
May 1, 2026
Merged

Enable S3 multipart upload (in non-direct upload)#12358
landreev merged 2 commits intoIQSS:developfrom
janvanmansum:enable-multipart-upload

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@janvanmansum janvanmansum commented Apr 24, 2026

What this PR does / why we need it:
This PR re-enables multipart upload for non-direct uploads for S3-compatible storage. At some point between 6.7.1 and 6.9 the default changed from enabled to disabled. This PR explicitly enables it when creating the S3AsyncClient. It will only be used when necessary anyway.

Without this change, an upload of a file larger than 1G using a storage driver that does not support direct upload, the upload fails silently when clicking Save on the confirmation screen. So the file is uploaded to the Dataverse server, but then uploading it from there to the object store fails, without any error message to the user.

Which issue(s) this PR closes:
N/a

Special notes for your reviewer:
N/a

Suggestions on how to test this:
Perform an upload of a file larger than 1G, which will require the client to use multipart upload.

Does this PR introduce a user interface change? If mockups are available, please link/include them here:
No

Is there a release notes update needed for this change?:
See: doc/release-notes/12358-enable-s3-multipart-upload.md

Additional documentation:
No

@janvanmansum janvanmansum marked this pull request as ready for review April 24, 2026 08:20
@janvanmansum janvanmansum changed the title Enable multipart upload Enable S3 multipart upload Apr 24, 2026
@janvanmansum janvanmansum changed the title Enable S3 multipart upload Enable S3 multipart upload (in non-direct upload) Apr 24, 2026
@qqmyers qqmyers added the GDCC: DANS related to GDCC work for DANS label Apr 24, 2026
@qqmyers qqmyers moved this to Ready for Triage in IQSS Dataverse Project Apr 24, 2026
@qqmyers qqmyers added this to the 6.11 milestone Apr 24, 2026
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makes sense - thanks for the PR

@github-project-automation github-project-automation Bot moved this from Ready for Triage to Ready for QA ⏩ in IQSS Dataverse Project Apr 24, 2026
@landreev landreev moved this from Ready for QA ⏩ to QA ✅ in IQSS Dataverse Project Apr 28, 2026
@landreev landreev self-assigned this Apr 28, 2026
@landreev
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Wow, I was completely unaware of this!
I was seeing evidence of large uploads failing in our prod. use, but I assumed it was a result of a recent migration to a new S3 bucket.
Thank you for the PR, we will try to merge it asap.

@landreev landreev merged commit 08b9c86 into IQSS:develop May 1, 2026
13 of 14 checks passed
@github-project-automation github-project-automation Bot moved this from QA ✅ to Merged 🚀 in IQSS Dataverse Project May 1, 2026
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3 participants