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Posted to dev@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2013/10/02 09:25:25 UTC
[jira] [Work started] (TAJO-199) All relations in catalog must have
data volume size.
[ https://issues.apache.org/jira/browse/TAJO-199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on TAJO-199 started by Hyunsik Choi.
> All relations in catalog must have data volume size.
> ----------------------------------------------------
>
> Key: TAJO-199
> URL: https://issues.apache.org/jira/browse/TAJO-199
> Project: Tajo
> Issue Type: Improvement
> Components: catalog, planner/optimizer, storage
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2-incubating
>
>
> Some relations generated in specific file format like RCFile and Trevni may have 0 bytes as a data volume. In order to use data volume as some factor in query optimization, we need to force all relations to have exact data volume.
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