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  • Niels Lynggaard 180 posts 517 karma points
    29 days ago
    Niels Lynggaard
    0

    Azure Blob storage: .mp4 (and .pdf) file is cut down to 4 Mb when uploaded through media section

    Hi all.

    First off, I'm not an Azure Blob experts, so if this is an issue with setup of Azure Blob storage, I hope just to be pointed in the right direction.

    Problem; Uploading a video file (.mp4) to the media library works fine. But the file is "cut", e.g a 21 Mb file is reduced to exactly 4 Mb and thus plays fine when requested but stops before the file is actually finnished. The file size in Umbraco shows the "original" file size.

    I just tested with a 20 Mb. .pdf and the is the same, it's being corrupted (I guess because it is being "cut".

    I've tried; Bumping the max file size in web.config (maxRequestLength and maxAllowedContentLength) in web.config Bumping the "Maxbytes" setting in imageprocessor/security.config

    So far no luck.

    The Azure Blob storage isn't private and otherwise works well.

    Any help will be greatly appreciated..

  • Alex Skrypnyk 5730 posts 21691 karma points MVP 3x admin c-trib
    28 days ago
    Alex Skrypnyk
    0

    Hi Niels

    4Mb is a default "StreamWriteSizeInBytes"

    This is a property on the CloudBlockBlob object or CloudPageBlob object, whichever you are using. You can use this when streaming files up to Azure as well (like when you’re using UploadStream instead of UploadFile).

    So it looks like file chunked and some errors occur after the first chunk.

    Another thing - how do you check that files is reduced? Do you check via direct URL?

    Thanks,

    Alex

  • Niels Lynggaard 180 posts 517 karma points
    28 days ago
    Niels Lynggaard
    100

    Actually I was directed to this bugreport on UmbracoFileSystemProvidersAzure; https://github.com/umbraco-community/UmbracoFileSystemProviders.Azure/issues/158

    This should be fixed in v. 1.1.1, but that version didn't solve it for me.

    However, downgrading UmbracoFilesystemProvidersAzure to v. 1.0.3 fixed the problem for me!

    The files were actually uploading fine, but once requested as /media/xxx/... they wouldn't download more than 4 Mb.

    If anyone else runs into this, pay attention to this bug in 1.1.0 and possibly still in 1.1.1, even though it should be fixed.

    Cheers, Niels

  • Alex Skrypnyk 5730 posts 21691 karma points MVP 3x admin c-trib
    28 days ago
    Alex Skrypnyk
    0

    Thanks, Niels for sharing with us. Keep safe

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