MB-13725: check batch size during file upload
MB-13725: check batch size during file upload

Change-Id: I282fce1622ac1ec291653607fbe1570b8fbc30f4
Reviewed-on: http://review.couchbase.org/47826
Reviewed-by: Bin Cui <ed18693fff32c00e22495f4877a3b901bed09041@gmail.com>
Tested-by: Bin Cui <ed18693fff32c00e22495f4877a3b901bed09041@gmail.com>

couchbase/couchbase-cli,couchbase/couchbase-cli