title: Read Nifi Counter value programmatically
body: <p>I am developing a custom processor in which I want to read value of Nifi counters. Is there a way to read Counters' value other than using Nifi Rest Api "<a href="http://nifi-host:port/nifi-api/counters" rel="nofollow noreferrer">http://nifi-host:port/nifi-api/counters</a>"?</p>