Try to get 10+MB file from your SFTP server (metadata should be retrieved)
Try to write this file on step 3 by SFTP:Upload Files From Attachments Header action or any other component that is able to write files to specified destination
AR:
File metadata is retrieved on STR#2
Empty file (0 kb) is written to specified destination on STR#3
ER: file is written to specified destination on STR#3 accordingly (with correct size, same as on STR#2)
Description: STR:
AR:
ER: file is written to specified destination on STR#3 accordingly (with correct size, same as on STR#2)