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https://issues.apache.org/jira/browse/ARROW-11907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou reassigned ARROW-11907:
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Assignee: Antoine Pitrou
> [C++] Use our own executor in S3FileSystem
> ------------------------------------------
>
> Key: ARROW-11907
> URL: https://issues.apache.org/jira/browse/ARROW-11907
> Project: Apache Arrow
> Issue Type: Task
> Components: C++
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Major
>
> We use the AWS SDK async APIs in some places in S3FileSystem, but all they do
> is spawn a separate thread and run the sync API in it.
> Instead we should use our IO executor, which would:
> 1) put an upper bound on the number of threads started
> 2) (presumably) reduce latency by reusing threads instead of spawning a
> throwaway thread for each async call
> 3) allow for cancellation
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