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Posted to issues@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2019/08/26 04:02:00 UTC

[jira] [Resolved] (ARROW-6335) [Java] Improve the performance of DictionaryHashTable

     [ https://issues.apache.org/jira/browse/ARROW-6335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Micah Kornfield resolved ARROW-6335.
------------------------------------
    Fix Version/s: 0.15.0
       Resolution: Fixed

Issue resolved by pull request 5178
[https://github.com/apache/arrow/pull/5178]

> [Java] Improve the performance of DictionaryHashTable
> -----------------------------------------------------
>
>                 Key: ARROW-6335
>                 URL: https://issues.apache.org/jira/browse/ARROW-6335
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Java
>            Reporter: Liya Fan
>            Assignee: Liya Fan
>            Priority: Trivial
>              Labels: pull-request-available
>             Fix For: 0.15.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> when comparing two entries in the dictionary hash table, it is more efficient to compare the index directly, rather than using Objects.equals, because they are both ints.



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