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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/10/04 11:53:00 UTC

[jira] [Commented] (ARROW-14187) [Python] File reading regression

    [ https://issues.apache.org/jira/browse/ARROW-14187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423900#comment-17423900 ] 

Antoine Pitrou commented on ARROW-14187:
----------------------------------------

ARROW-6626 can't have anything to do with file reading performance.

Possible culprit is ARROW-14026 (https://github.com/apache/arrow/pull/11189)

> [Python] File reading regression
> --------------------------------
>
>                 Key: ARROW-14187
>                 URL: https://issues.apache.org/jira/browse/ARROW-14187
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>            Reporter: Jonathan Keane
>            Assignee: Alessandro Molina
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> After ARROW-6626 was merged, we're seeing a slow down in file reading benchmarks:
> One example: https://conbench.ursa.dev/benchmarks/b92e91fe8a4041148360d9433552277b/



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