Getting OutOfMemoryException when downloading

Hello,

I wrote a quick console app using Dropbox.NET with the intent of downloading particular files or folders from Dropbox (for archival purposes, etc...there are multiple reasons).

However, I quickly ran into an issue when it tried to download a 1GB file. I receive an OutOfMemoryException. Here is the code that I use:

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private async Task DownloadFile(string dropboxPath, string targetPath) {
    using (var response = await _dbx.Files.DownloadAsync(dropboxPath)) {
        using (var source = await response.GetContentAsStreamAsync()) {
            using (var target = File.Create(targetPath)) {
                await source.CopyToAsync(target);
            }
        }
    }
}

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This code does work for smaller files, and I know my system itself is not out of memory (have over 8 GB still available). Am I doing something wrong?

Please advise...thanks!

Ryan