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Posted to issues@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/05/12 15:26:00 UTC

[jira] [Updated] (ARROW-8774) [Rust] [DataFusion] Improve threading model

     [ https://issues.apache.org/jira/browse/ARROW-8774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Grove updated ARROW-8774:
------------------------------
    Description: 
DataFusion currently spawns one thread per partition and this results in poor performance if there are more partitions than available cores/threads. It would be better to have a thread-pool that defaults to number of available cores.

Here is a Google doc where we can collaborate on a design discussion.

https://docs.google.com/document/d/1_wc6diy3YrRgEIhVIGzrO5AK8yhwfjWlmKtGnvbsrrY/edit?usp=sharing

  was:DataFusion currently spawns one thread per partition and this results in poor performance if there are more partitions than available cores/threads. It would be better to have a thread-pool that defaults to number of available cores.


> [Rust] [DataFusion] Improve threading model
> -------------------------------------------
>
>                 Key: ARROW-8774
>                 URL: https://issues.apache.org/jira/browse/ARROW-8774
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Rust, Rust - DataFusion
>            Reporter: Andy Grove
>            Assignee: Andy Grove
>            Priority: Major
>             Fix For: 1.0.0
>
>
> DataFusion currently spawns one thread per partition and this results in poor performance if there are more partitions than available cores/threads. It would be better to have a thread-pool that defaults to number of available cores.
> Here is a Google doc where we can collaborate on a design discussion.
> https://docs.google.com/document/d/1_wc6diy3YrRgEIhVIGzrO5AK8yhwfjWlmKtGnvbsrrY/edit?usp=sharing



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