Improve performance of Copy Data Activity when dealing with a large number of small files
The copy performance of the ADF Copy Data Activity going from a file system source to a Blob FileSystem or Blob source is quite slow and CPU intensive relative to other copy mechanisms available when copying a large number (tens of thousands to millions) of small files (<1MB).
Both AzCopy & Azure Storage Explorer are able to complete the copy operations from the same source to the same sink approximately 3-5x faster while using less CPU than the ADF Copy Activity.
At a minimum, we would like to see performance parity with AzCopy / Azure Storage Explorer.
The Get Metadata activity takes a dataset as an input and returns metadata information as output. Currently, many connectors including onprem file shares has maximum size of returned metadata of 1 MB. This should be increased