You have 100 flow files? Perhaps you can use wait and notify processors and release 1 flow file each time. If query is successfull then signal to release fliw file to perform next query, if not then signal to release to failure using route on attribute processor which will come after the wait processor. Something similar to this sample: https://gist.github.com/ijokarumawak/375915c45071c7cbfddd34d5032c8e90 ... View more