=link= Download Large File From Azure Blob Storage C# Access
The current Azure.Storage.Blobs SDK provides several ways to retrieve data depending on your destination:
To download a large file efficiently, use DownloadToAsync with StorageTransferOptions . This enables the SDK to download different "chunks" of the file simultaneously, significantly reducing total download time. download large file from azure blob storage c#
: Ideal for processing a file as it downloads (e.g., reading a CSV row-by-row) without saving it to disk first. The current Azure
using Azure.Storage.Blobs; using Azure.Storage.Blobs.Models; public async Task DownloadLargeBlobAsync(string connectionString, string containerName, string blobName, string localFilePath) { BlobClient blobClient = new BlobClient(connectionString, containerName, blobName); // Configure parallel transfer options var options = new BlobDownloadToOptions { TransferOptions = new StorageTransferOptions { // The maximum number of parallel requests MaximumConcurrency = 8, // The size of each chunk (e.g., 4MB) MaximumTransferSize = 4 * 1024 * 1024, // Downloads smaller than this size are done in one request InitialTransferSize = 8 * 1024 * 1024 } }; // Downloads the blob to the specified local path await blobClient.DownloadToAsync(localFilePath, options); } Use code with caution. 3. Best Practices for Large Transfers using Azure