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https://issues.apache.org/jira/browse/ARROW-501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16593945#comment-16593945
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Antoine Pitrou commented on ARROW-501:
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If we want to do this, I think a simple background thread is the right piece of
logic. Note that by definition, it will probably incur additional memory
copies, though, unless we add a method allowing partial / best-effort reads.
> [C++] Implement concurrent / buffering InputStream for streaming data use
> cases
> -------------------------------------------------------------------------------
>
> Key: ARROW-501
> URL: https://issues.apache.org/jira/browse/ARROW-501
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Labels: csv
> Fix For: 0.13.0
>
>
> Related to ARROW-500, when processing an input data stream, we may wish to
> continue buffering input (up to an maximum buffer size) in between
> synchronous Read calls
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