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https://issues.apache.org/jira/browse/ARROW-9716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Arrow JIRA Bot reassigned ARROW-9716:
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Assignee: Apache Arrow JIRA Bot (was: Andy Grove)
> [Rust] [DataFusion] MergeExec should have concurrency limit
> ------------------------------------------------------------
>
> Key: ARROW-9716
> URL: https://issues.apache.org/jira/browse/ARROW-9716
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust, Rust - DataFusion
> Reporter: Andy Grove
> Assignee: Apache Arrow JIRA Bot
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.1, 2.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> MergeExec currently spins up one thread per input partition which causes apps
> to effectively hang if there are substantially more partitions than available
> cores.
> We can implement a configurable limit here pretty easily.
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