The following features are provided with HDP 2.1.5 as technical previews; that is, they are considered to be still under development, and as such not supported. Do not use the following features in your production systems.
Preemption -- this feature has been found to contain defects that make it unsuitable for a production cluster at this time. For information about Preemption, see http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1.5/bk_system-admin-guide/content/preemption.html.
Falcon -- lag time in displaying lineage information if graph contains many vertices; old graph persists until updated graph is loaded
Falcon -- dependencies, viewed in Graph View
If you are an official Hortonworks Customer or Partner, contact Hortonworks Technical Support, by logging a case at https://support.hortonworks.com/. If you are not currently an official Hortonworks Customer or Partner, please seek assistance at our Hortonworks Forums at http://hortonworks.com/community/forums/.
