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https://issues.apache.org/jira/browse/ARROW-11687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Grove updated ARROW-11687:
-------------------------------
Fix Version/s: 3.0.1
> [Rust][DataFusion] RepartitionExec Hanging
> ------------------------------------------
>
> Key: ARROW-11687
> URL: https://issues.apache.org/jira/browse/ARROW-11687
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust - DataFusion
> Reporter: Mike Seddon
> Assignee: Mike Seddon
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0, 3.0.1
>
> Time Spent: 7h 40m
> Remaining Estimate: 0h
>
> Found an interesting defect where the final partition of the
> `RepartitionExec::execute` thread spawner was consistently not being spawned
> via `tokio::spawn`. This meant that `RepartitionStream::poll_next` was
> sitting waiting forever for data that never arrived.
> It looks like a race condition where the `JoinHandle` was not being `await`ed
> and something strange going on with the internals of tokio like lazy
> evaluation?
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