Hi, I'm sorry for late. I'm figuring out this problem. I'll give some comments soon. Then, let's talk about it more.
Warm regards, Hyunsik On Tue, Aug 16, 2016 at 8:41 AM Dongjin Lee <[email protected]> wrote: > Hello. Currently, I am working to add some missing features in > HiveCatalogStore.[^1] However, I found that this feature needs the > implementation of tablespace feature in HiveCatalogStore first so I decided > that it would be better to ask you some advice before I start writing code > - I have less experience on Tajo than almost all of you. > > As of current version(11.x), tablespace feature seems to be not supported > in HiveCatalogStore. It only supports default tablespace in > ${tajo.warehouse.directory}. Because there is no other storage that can > save the mapping from ${tablespace-name} to {base-uri}, I propose the > following scheme: > > 1. Basic Rule: Store tablespace under ${tajo.rootdir}/${tablespace-name}. > In other words, ${base-uri} for the tablespace is > ${tajo.rootdir}/${tablespace-name}. > 2. The base uri for the default tablespace is ${tajo.warehouse.directory}. > (no change) > 3. The tablespace name whose base uri conflicts the default tablespace's > base uri is disallowed. > > I think this strategy can be a roundabout way to the shortcomings of > HiveCatalogStore, but I cannot certain. Are there any conflicts to my > proposal with current implementation or our future plan? If you have any > opinions, don't hesitate to give me a message. Thanks for reading. > > Regards, > Dongjin > > [^1]: https://issues.apache.org/jira/browse/TAJO-2171 > > -- > *Dongjin Lee* > > > *Software developer in Line+.So interested in massive-scale machine > learning.facebook: www.facebook.com/dongjin.lee.kr > <http://www.facebook.com/dongjin.lee.kr>linkedin: > kr.linkedin.com/in/dongjinleekr > <http://kr.linkedin.com/in/dongjinleekr>github: > <http://goog_969573159/>github.com/dongjinleekr > <http://github.com/dongjinleekr>twitter: www.twitter.com/dongjinleekr > <http://www.twitter.com/dongjinleekr>* >
