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https://issues.apache.org/jira/browse/ORC-50?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17798079#comment-17798079
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Lei Rui commented on ORC-50:
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Is there any update for this PR?
> Replace the red/black tree representation for the string dictionaries with
> hash tables
> --------------------------------------------------------------------------------------
>
> Key: ORC-50
> URL: https://issues.apache.org/jira/browse/ORC-50
> Project: ORC
> Issue Type: Improvement
> Affects Versions: 1.7.0
> Reporter: Owen O'Malley
> Assignee: Lei Sun
> Priority: Major
> Labels: releasenotes
>
> The red/black trees that ORC writer uses for storing the string dictionary
> would be faster using a hash tree.
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