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https://issues.apache.org/jira/browse/ARROW-15036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17456520#comment-17456520
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Antoine Pitrou commented on ARROW-15036:
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Perhaps Option 3: option 2 + make a dedicated IO thread pool for S3, with many
more threads than the default?
> [C++] Expose S3 SDK configuration parameter "maxConnections"
> ------------------------------------------------------------
>
> Key: ARROW-15036
> URL: https://issues.apache.org/jira/browse/ARROW-15036
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Weston Pace
> Priority: Major
>
> This is primarily inspired by ARROW-14965 where it seems that the default
> (25) is limiting S3 filesystem performance.
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