Answer here https://community.hortonworks.com/questions/66805/issue-when-deploying-a-new-parser-topology-in-stor.html#answer-66998 ... View more

Working further with our support team and customer, it was determined that this issue was coming mostly from Postgres side. The reason being the ticket caching was not enabled for the PG side, and the customer is currently working on enabling the same. This document link should talk about enabling caching from Postgres - http://jpmens.net/2012/06/23/postgresql-and-kerberos/ As far as the above question on multiple requests on the same session goes - Yes, Hive metastore does caching my default, and the multiple commands executed within the same HS2 session is translated to a single auth request due to caching at the HMS level ... View more

No, the temp swapspace is not encrypted. So we do have the vulnerability with intermediate shuffles. However, this is temporary short lived data and may not pose a major issue depending on the customer/usecase. If this is still a concern, then put the temp swap space to a separate disk and encrypt the disk at OS Level ... View more