KNOX-1098 is the support for adding proxyUser when it is not there. This hasn't been merged yet. ... View more

The amount of memory needed by Ambari Infra Solr by default is too high due to poor configuration choices. I wrote about what simple changes can be made to make Solr significantly more performant on less heap. We have Solr with less than 4GB of heap holding billions of documents. https://risdenk.github.io/2017/12/18/ambari-infra-solr-ranger.html ... View more

Would be good to link to the Apache Solr documentation for this specifically: https://cwiki.apache.org/confluence/display/solr/Parallel+SQL+Interface https://cwiki.apache.org/confluence/display/solr/Solr+JDBC+-+Apache+Zeppelin ... View more