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Posted to issues@tajo.apache.org by "Jinho Kim (JIRA)" <ji...@apache.org> on 2015/07/29 08:27:04 UTC

[jira] [Assigned] (TAJO-1340) Change the default output file format.

     [ https://issues.apache.org/jira/browse/TAJO-1340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jinho Kim reassigned TAJO-1340:
-------------------------------

    Assignee: Jinho Kim

> Change the default output file format.
> --------------------------------------
>
>                 Key: TAJO-1340
>                 URL: https://issues.apache.org/jira/browse/TAJO-1340
>             Project: Tajo
>          Issue Type: Improvement
>            Reporter: Hyunsik Choi
>            Assignee: Jinho Kim
>             Fix For: 0.11.0
>
>
> Currently, the default output file is CSV. Due to its nature, CSV has mainly three problems:
>  * Its line or field delimiter can be duplicated to some character included in the result data.
>  * Plan text file is likely to be larger than other file formats.
>  * Its read and write performance is slow.
> We need to change the default output file format into other file formats. We also need to investigate which file format is the best for it.



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