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https://issues.apache.org/jira/browse/ARROW-6863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson resolved ARROW-6863.
------------------------------------
    Fix Version/s: 0.16.0
       Resolution: Fixed

Issue resolved by pull request 5631
[https://github.com/apache/arrow/pull/5631]

> [Java] Provide parallel searcher
> --------------------------------
>
>                 Key: ARROW-6863
>                 URL: https://issues.apache.org/jira/browse/ARROW-6863
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Java
>            Reporter: Liya Fan
>            Assignee: Liya Fan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.16.0
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> For scenarios where the vector is large and the a low response time is 
> required, we need to search the vector in parallel to improve the 
> responsiveness.
> This issue tries to provide a parallel searcher for the equality semantics 
> (the support for ordering semantics is not ready yet, as we need a way to 
> distribute the comparator).
> The implementation is based on multi-threading.



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