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https://issues.apache.org/jira/browse/TAJO-118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730580#comment-13730580
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Jinho Kim commented on TAJO-118:
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h5. Generated TPC-H DBGEN 100G
* Before
{code}
select count(*) from lineitem;
total response time: 216.671 sec
{code}
* After
{code}
select count(*) from lineitem;
total response time: 146.245 sec
{code}
> Refactor and Improve text file Scanner
> --------------------------------------
>
> Key: TAJO-118
> URL: https://issues.apache.org/jira/browse/TAJO-118
> Project: Tajo
> Issue Type: Improvement
> Components: storage
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Attachments: TAJO-118.patch
>
>
> This will be reduce the execution time
> * Implement column projection
> * Change the split function to the apache StringUtils
> * Improve slow codes
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