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https://issues.apache.org/jira/browse/ARROW-500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392840#comment-17392840
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Antoine Pitrou commented on ARROW-500:
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We have various async facilities in the IO and filesystem layers now, closing.
> [C++] Implement concurrent IO read queue for file-like sources
> --------------------------------------------------------------
>
> Key: ARROW-500
> URL: https://issues.apache.org/jira/browse/ARROW-500
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Labels: filesystem
>
> In a multithreaded setting, we may spawn many threads which will have access
> to a shared IO resources. It may be useful to create a thread-safe IO queue
> implementing the {{arrow::io::ReadableFileInterface}}, limiting the number of
> concurrent requests to the desired number (which may be 1, for services not
> permitting concurrent access).
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