ns_upload_stats - Return realtime statistic about being uploaded file
This command is useful in case of uploading big files and giving users some progress statistics about the process. It works by creating special counter for the uploaded url and keeps updating it while the file is being uploaded. Once file is uploaded completely this statistics is removed from the local cache.
ns_section ns/parameters ns_param progressminsize 2048
Put some examples here to illustrate command usage.