Re: Hive federation service

2017-07-27 Thread Elliot West
topology challenges similar > to get to the HMSs themselves. Is there any solution or consideration for > federated data access? > > > > Thanks! > > -Kurt > > > > *From:* Carter Shanklin [mailto:car...@hortonworks.com] > *Sent:* Thursday, July 27, 2017 10:57 AM

Re: Hive federation service

2017-07-27 Thread Elliot West
Hi Carter, 1. In theory, under certain conditions, I believe so, (note that my kerberos experience is very limited). Waggle Dance will simply forward the kerberos prinipals presented to the client. If these prinicpals are meaningful to the target cluster then my assumption is that this would work.

RE: Hive federation service

2017-07-27 Thread Larson, Kurt
there any solution or consideration for federated data access? Thanks! -Kurt From: Carter Shanklin [mailto:car...@hortonworks.com] Sent: Thursday, July 27, 2017 10:57 AM To: user@hive.apache.org Subject: Re: Hive federation service Elliot, Interesting stuff I have 3 questions 1. Can Waggle Dance

Re: Hive federation service

2017-07-27 Thread Carter Shanklin
Elliot, Interesting stuff I have 3 questions 1. Can Waggle Dance deal with multiple kerberized Hadoop clusters? 2. Do you support 3 layers in the hierarchy (i.e. cluster.database.table) or 2 layers, with a requirement to avoid any possible name collisions in the mapping layer. 3. Is it compatib