Max size of source file in StartCopyFromUriAsync

Question

Max size of source file in StartCopyFromUriAsync

Maciej Chmielewski 20

I want to use StartCopyFromUriAsync method in C# Blob Storage SDK referenced here. In the docs there is nothing about source file limits. Do you know if there are any?

Sumarigo-MSFT 47,466 Reputation points Microsoft Employee Moderator

2023-05-22T07:07:21.8933333+00:00

@Maciej Chmielewski Just checking in to see if the above answer helped. If this answers your query, do click "Accept the answer” for the same, which might be beneficial to other community members reading this thread. And, if you have any further query do let us know.

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Sumarigo-MSFT 47,466 Reputation points Microsoft Employee Moderator

2023-05-22T07:07:21.8933333+00:00

@Maciej Chmielewski Just checking in to see if the above answer helped. If this answers your query, do click "Accept the answer” for the same, which might be beneficial to other community members reading this thread. And, if you have any further query do let us know.

Answer 1

Sumarigo-MSFT 47,466 Microsoft Employee Moderator

@Maciej Chmielewski Welcome to Microsoft Q&A Forum, Thank you for posting your query here!

StartCopyFromUri Underneath calls the Copy-Blob REST API. https://learn.microsoft.com/en-us/rest/api/storageservices/copy-blob

The limitations are explained here: https://learn.microsoft.com/en-us/rest/api/storageservices/copy-blob?tabs=azure-ad

Refer here for samples: H ow to use StartCopyFromUri can be found in our unit tests https://github.com/Azure/azure-sdk-for-net/blob/622c2e13a827cd9c6fc80a952a6292d84bf30dae/sdk/storage/Azure.Storage.Blobs/tests/BlobBaseClientTests.cs#L1817

csharp sample code to call StartCopyFromUriAsync() method to perform copy blob operation within same storage account

Please let us know if you have any further queries. I’m happy to assist you further.

Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members.

Maciej Chmielewski 20 Reputation points

2023-05-19T10:10:32.2733333+00:00

Thank you for the answer. I did checked these websites, but there is nothing about file size limits. Does it mean, that there are no limits?
Maciej Chmielewski 20 Reputation points

2023-05-22T18:36:15.6+00:00

Hello Sumarigo, you've reminded me to accept the answer, however you didn't answer to my follow-up comment.

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Max size of source file in StartCopyFromUriAsync

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