Think I found that is was just the initial memory allocation only being at the default 512mb. upped it to 25gb and seems to be running fine. ... View more

Well, I took an image of the server just after setup, and i tried again on a new ubuntu server, and it worked! Think nifi is running fine, about to check it out. I removed installing the ambari-metrics. not sure what the difference is, bcz i didn't change much other than that. Oh, one part did complain about disk space, when i went back and tried to reinstall again, so I bumped up from 8 to 32gb. Seems zookeeper and nifi installed ok. ... View more

ah, i think i figured it out, used the hostname -f command to get the host, and that did the trick, used that as the hostname. on my way now! ... View more