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Posted to dev@tajo.apache.org by "Jinho Kim (JIRA)" <ji...@apache.org> on 2013/09/13 10:19:51 UTC

[jira] [Commented] (TAJO-119) Refactor and Improve Datum

    [ https://issues.apache.org/jira/browse/TAJO-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13766324#comment-13766324 ] 

Jinho Kim commented on TAJO-119:
--------------------------------

 I will soon attach the benchmark documents.
                
> Refactor and Improve Datum
> --------------------------
>
>                 Key: TAJO-119
>                 URL: https://issues.apache.org/jira/browse/TAJO-119
>             Project: Tajo
>          Issue Type: Improvement
>          Components: storage
>            Reporter: Jinho Kim
>            Assignee: Jinho Kim
>         Attachments: TAJO-119.patch
>
>
> A datum constructor called too many times. and there are so many overhead of converting between a primitive and string
> * Change to lazy datum types
> * Improve memory efficiency

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