Could you share how you generated a blueprint to install Spark on top of a running cluster with other existing services? It's not obvious how to do it. ... View more

That's what I was thinking. Was just wondering if there was a way to define a custom package somehow. Thanks! ... View more

@Artem we do need to rebuild HBase since we need to run custom co-processors from Thrift. We want to do something like is described here: https://issues.apache.org/jira/browse/HBASE-5600 "We could create a thrift method to take the name of the class, method, and an array of params and then call coprocessorExec". If there's a better way to run a custom co-processor and access it from Thrift I'm all ears. But this brings me back to a good way to run a custom build of HBase with Ambari. ... View more