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