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