How long/many of the flowfiles will be maintained in Data Provenance of nifi? (It seems not permanent) ... View more

in nifi processor settings, there is a property Penalty duration:The amount of time used when this processor penalizes a FlowFile. what does 'processor penalizes a FlowFile.' mean? ... View more

There is a page to enable User Authentication with Kerberos step by step for nifi 0.x https://community.hortonworks.com/articles/34147/nifi-security-user-authentication-with-kerberos.html# But nifi 1.x change the conf. I follow parts of steps as above, and then login with username/password . But I get following message: "Unable to perform the desired action due to insufficient permissions. Contact the system administrator." (it seem that the username/password has been authed by kerberos ) How to resolve? Thanks for you reply. @Jobin George: please update your article. Thanks very much. ... View more

It seems that all the users of nifi manage the flows on one canvas in a nifi instance. It's convenient for each user has there own canvas to create there own flows. How to realize? Or is there a plan for this function? ... View more

I add nifi on ambari UI. In the step 6,I see the following message. Consistency check failed The configuration changes could not be validated for consistency due to an unknown error. Your changes have not been saved yet. Would you like to proceed and save the changes? In the browser(chrome console), i get this warning message(i do not know whether it leads to the check failed): historyserver_host from mapreduce2-site.xml can't be validate zookeeper_server_hosts from zookeeper-site.xml can't be validate kafka_broker_hosts from kafka-site.xml can't be validate ps:there is no mapreduce2-site.xml/zookeeper-site.xml/kafka-site.xml in my ambari server host and the code may be in app.js buildConfigsJSON: function(services, stepConfigs) ............. if (configurations[property.get('filename').replace('.xml','')]){ configurations[property.get('filename').replace('.xml','')]['properties'][property.get('name')] = property.get('value'); } else { console.warn(property.get('name') + " from " + property.get('filename') + " can't be validate"); } }); if i hit processed anyway. the nifi can be installed correctly. But i do not want to get the step6 error when add service. How to solve it? ... View more