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https://issues.apache.org/jira/browse/ARROW-3781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16685812#comment-16685812
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Wes McKinney commented on ARROW-3781:
-------------------------------------
What I mean is that if I call {{out->Flush()}} it may not be safe to continue
to call {{out->Write(...)}} until the flush completes. So my proposal was to
think about devising a buffered output stream where a writer thread can
continue writing while a Flush is in progress
> [C++] Configure buffer size in arrow::io::BufferedOutputStream
> --------------------------------------------------------------
>
> Key: ARROW-3781
> URL: https://issues.apache.org/jira/browse/ARROW-3781
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 0.12.0
>
>
> This is hard-coded to 4096 right now. For higher latency file systems it may
> be desirable to use a larger buffer. See also ARROW-3777 about performance
> testing for high latency files
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