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https://issues.apache.org/jira/browse/ARROW-8767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17105391#comment-17105391
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David Li commented on ARROW-8767:
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For I/O, it would also be useful to be able to assign a "weight" to a task
(representing bandwidth or some other non-CPU resource) so a scheduler could
spawn tasks based on that metric. (For instance, you may wish to allow more
concurrent tasks when weights are small, or throttle a consumer that is
consuming disproportionate resources.)
> [C++] Make ThreadPool task ordering configurable
> ------------------------------------------------
>
> Key: ARROW-8767
> URL: https://issues.apache.org/jira/browse/ARROW-8767
> Project: Apache Arrow
> Issue Type: Wish
> Components: C++
> Reporter: Antoine Pitrou
> Priority: Major
>
> We may want to choose a task ordering strategy when constructing a ThreadPool.
> To make the ordering strategy configurable, we may want to externalize it in
> a separate JobQueue class.
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