[jira] [Assigned] (ARROW-14165) [C++] Improve table sort performance #2

["Antoine Pitrou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-14165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou reassigned ARROW-14165:
--------------------------------------

    Assignee: Antoine Pitrou

> [C++] Improve table sort performance #2
> ---------------------------------------
>
>                 Key: ARROW-14165
>                 URL: https://issues.apache.org/jira/browse/ARROW-14165
>             Project: Apache Arrow
>          Issue Type: Task
>          Components: C++
>            Reporter: Antoine Pitrou
>            Assignee: Antoine Pitrou
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> After ARROW-10898 is solved, it seems some performance may still be left on the table when merging sorted record batches. Two possible directions:
> * save on chunked indexing by relying on record batches and directly accessing subsequent columns in MultipleKeyComparator
> * use left-to-right "radix" merging



--
This message was sent by Atlassian Jira
(v8.3.4#803005)