You can run a Nifi instance locally in a small JVM to gather the log file data and send it to a larger cluster for processing. I would use ListenSyslog processor rather than UDP and point Log4J there. ... View more

From looking at SolrJsonBoltAction, if the incoming object is an array of JSON documents, and you did bolt.setSplit("/") it should split the array into multiple documents on the Solr side. I have never used the storm-solr project, but I'm saying this based on having used the JSON ContentStreamUpdateRequest in the past. I'm not sure if this capability requires a specific version of Solr, but using >= 5.0 I had previously put together some test cases for this: https://github.com/bbende/solrj-custom-json-update/blob/master/src/test/java/org/apache/solr/IndexJSONTest.java#L182 ... View more

when I delete one host, this occured how to solve it ? ambari 2.4.1.0 ... View more