If we share metadata to everyone, then tables created by a user may be droped by another one accidentally.
On Tue, Jul 14, 2009 at 1:01 PM, Min Zhou <[email protected]> wrote: > The fact is that only a few tables need to share, users usually create > their own tables for their jobs. > > > > On Tue, Jul 14, 2009 at 12:58 PM, Prasad Chakka <[email protected]>wrote: > >> Then the question is why not everyone share the metadata and let hadoop >> enforce the file system permissions? >> >> >> ------------------------------ >> *From: *Min Zhou <[email protected]> >> *Reply-To: *<[email protected]> >> *Date: *Mon, 13 Jul 2009 21:55:59 -0700 >> *To: *<[email protected]> >> *Subject: *Re: It there any way sharing directories between different >> users in hive >> >> It's also my way. but actually, our table wanna sharing is one >> partitioned by date , it's metadata changed everyday. it's boring loading. >> >> On Tue, Jul 14, 2009 at 12:51 PM, Prasad Chakka <[email protected]> >> wrote: >> >> One way is to create external table pointing to the original table >> location. >> >> ------------------------------ >> *From: *Min Zhou <[email protected] <http://[email protected]> > >> *Reply-To: *<[email protected] < >> http://[email protected]> > >> *Date: *Mon, 13 Jul 2009 21:44:38 -0700 >> *To: *hive-user <[email protected] < >> http://[email protected]> > >> *Subject: *It there any way sharing directories between different users >> in hive >> >> >> Hi all, >> >> We've set up a environment for multiple users to use hive, seperated mysql >> database for storing metadata was created for each user, so those users' >> execution can be completely isolated. But sometimes, we need to share a >> table to some sort of users, how to achieve it? Do you have another >> alternative deployment if our approach can't. >> >> Thanks in advance! >> Min >> -- >> My research interests are distributed systems, parallel computing and >> bytecode based virtual machine. >> >> My profile: >> http://www.linkedin.com/in/coderplay >> My blog: >> http://coderplay.javaeye.com >> >> >> >> >> -- >> My research interests are distributed systems, parallel computing and >> bytecode based virtual machine. >> >> My profile: >> http://www.linkedin.com/in/coderplay >> My blog: >> http://coderplay.javaeye.com >> >> > > > -- > My research interests are distributed systems, parallel computing and > bytecode based virtual machine. > > My profile: > http://www.linkedin.com/in/coderplay > My blog: > http://coderplay.javaeye.com > -- My research interests are distributed systems, parallel computing and bytecode based virtual machine. My profile: http://www.linkedin.com/in/coderplay My blog: http://coderplay.javaeye.com
