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Posted to jira@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2020/10/27 20:34:00 UTC

[jira] [Resolved] (ARROW-10399) [R] Fix performance regression from cpp11::r_string

     [ https://issues.apache.org/jira/browse/ARROW-10399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Kietzman resolved ARROW-10399.
----------------------------------
    Resolution: Fixed

Issue resolved by pull request 8536
[https://github.com/apache/arrow/pull/8536]

> [R] Fix performance regression from cpp11::r_string
> ---------------------------------------------------
>
>                 Key: ARROW-10399
>                 URL: https://issues.apache.org/jira/browse/ARROW-10399
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: R
>    Affects Versions: 2.0.0
>            Reporter: Neal Richardson
>            Assignee: Neal Richardson
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 3.0.0
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> On a taxi CSV read demo, reading a data.frame went from ~7 seconds to ~30 seconds. One of the cpp11 changes was identified to be a cause, and reverting it recovered the lost performance.



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