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https://issues.apache.org/jira/browse/ARROW-501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16947962#comment-16947962
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Wes McKinney commented on ARROW-501:
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We still don't have a {{ReadaheadInputStream}} (that implements the
{{InputStream}} interface) but we can add one when it is actually needed.
> [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, filesystem, pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> 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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