Change single file upload size to 5000 MiB#503
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January 27, 2026 14:41
…rest/api/storageservices/understanding-block-blobs--append-blobs--and-page-blobs#about-block-blobs, the maximum single blob size allowed is 5000 MiB and not 5 GiB. Due to this if a file of size above 4.9 GiB fails with the error: httpx.HTTPStatusError: Client error '413 Payload Too Large' for url '<upload_url_for_file>'
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #503 +/- ##
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+ Coverage 81.03% 81.07% +0.04%
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Files 43 43
Lines 4212 4212
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+ Hits 3413 3415 +2
+ Misses 799 797 -2
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As per the docs the maximum size allowed for a single PUT operation is 5000 MiB and not 5 GiB.
This causes any file larger than 4.88 GiB and less than 5 GiB to fail with error: