In the NiFi WebCrawler template located here: https://github.com/hortonworks-gallery/nifi-templates/tree/master/templates There is a "remove duplicates" processor that uses a DistributedMapCacheClientService. I tried to google/bing that, but I couldn't come up with exactly what that is. Is it something I have to install/configure/enable/? If someone could point me to information on Distributed Cache Service, what it is used for and how to use it, I would greatly appreciate it (as you can probably guess, I'm pretty new to Hadoop). ... View more

I have a simple question, as I am new to NiFi. I have a GetTwitter processor set up and configured (assuming correctly). I have the Twitter Endpoint set to Sample Endpoint. I run the processor and it runs, but nothing happens. I get no input/output How do I troubleshoot what it is doing (or in this case not doing)? ... View more