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https://issues.apache.org/jira/browse/TAJO-1384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14355729#comment-14355729
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Hyunsik Choi commented on TAJO-1384:
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+1 ship it.
> Duplicated output file path problem
> -----------------------------------
>
> Key: TAJO-1384
> URL: https://issues.apache.org/jira/browse/TAJO-1384
> Project: Tajo
> Issue Type: Bug
> Components: storage
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.11
>
> Attachments: TAJO-1384.patch
>
>
> *Introduction*
> When consecutively inserting data into an existing directory, each files must
> have different names. To avoid the duplicated name problem, a unique sequence
> number is appended to the end of the file name. In addition, the max sequence
> number of pre-existing files is first found before starting writing to the
> final output directory.
> *Problem*
> When finding the max sequence number of pre-existing files, those files are
> not sorted by their sequence numbers. This finally causes the duplicated file
> name problem.
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