@Mostafa01 The link in Tim's reply above has been updated and should correctly resolve now.     ... View more

In addition to excellent resources/information provided by @Wynner, I just wanted to add: https://pierrevillard.com/2017/02/23/listfetch-pattern-and-remote-process-group-in-apache-nifi ... View more

@Yogesh Sharma The _all field is analyzed by default, so you shouldn't have problems performing case-insensitive queries. You are also specifying the analyze_wildcard: true parameter which will attempt to analyze the query string with wildcards before running the query. As you have shown, the query itself returns hits. So the problem is with the aggregations. For your aggregations you are using the include parameter. Can you try using ".*drama.*" as the include value instead of "*drama*"? ... View more

i stored a image in hive table binary type but lots rows in hive. i just stored one image file. is it collect? ... View more

They work great together. Using Kafka to distribute once something is ingested and processed in NiFi http://hortonworks.com/hadoop-tutorial/realtime-event-processing-nifi-kafka-storm/ Kafka is great for connecting NiFi to Storm, Flink, Spark and other processors in hadoop https://blogs.apache.org/nifi/entry/integrating_apache_nifi_with_apache ... View more

@mclark Thanks for the response and appreciated. Do I need to configure something at back-end as well i.e. in nifi.properties or any other file in cluster or node because I am facing attached error. ... View more

Have a look here: https://community.hortonworks.com/articles/9203/how-to-migrate-a-standalone-nifi-into-a-nifi-clust.html It is advised to run the DistributedMapCacheServer on the NCM, then, in DistributedMapCacheClientService, instead of localhost, you can use the IP address of your NCM. ... View more