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https://issues.apache.org/jira/browse/ARROW-2470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16448050#comment-16448050
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ASF GitHub Bot commented on ARROW-2470:
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pitrou opened a new pull request #1934: ARROW-2470: [C++] Avoid seeking in
GetFileSize
URL: https://github.com/apache/arrow/pull/1934
This makes GetFileSize thread-safe and also reduces its cost.
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> [C++] FileGetSize() should not seek
> -----------------------------------
>
> Key: ARROW-2470
> URL: https://issues.apache.org/jira/browse/ARROW-2470
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.9.0
> Reporter: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
>
> {{FileGetSize()}} currently seeks to the end of file and reads the current
> file position. Instead it should simply call {{fstat}} on the file descriptor
> (or the Windows equivalent).
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