To be honest I do not really understand your question. If you split your original file into smaller chunks, you will have X flowfiles instead of a single flowfile. Those flowfiles will then go sequentially in your HTTP response Processor, based on your load balance strategy. ... View more

@kumsath  I'm happy to see you resolved your issue. Please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future.    ... View more

@kumsath Yes, when i saw your post I started digging around too.  The issue here is number manipulation and type casting a "number" versus a "string". That easy gets complicated in attributes and with nifi expression language functions.   The solution i referenced would take the "number" and make a number in which the visual representation should then be correct.  Its worth a try since that execute script should be very easy to test.    The alternative is to do your "math" upstream or in an execute script processor not in updateattribute. ... View more