If you have your metric as an attribute you can choose bin algorithm and specify correlation attribute by metric name. Hope it will help ... View more

I've seen the problem you describe with getfile processor when I used it with nifi deployed on Windows OS and the directory I listed had very large number of recursive subdirectories. In source files of nifi 1.3 or 1.4 I noticed there was a code replacing listfiles with DirectoryInputStream methods, but later it was removed ... View more

<file>${org.apache.nifi.bootstrap.config.log.dir}/nifi-app.log</file> Until 1.7.0 this string in logback.xml was commented. Uncomment it and it will be ok ... View more