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https://issues.apache.org/jira/browse/ORC-985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17411400#comment-17411400
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Owen O'Malley commented on ORC-985:
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So, the new hash table implementation causes a significant regression in file
size. Changing the default back to rbtree fixes the regression.
> ORC branch 1.7 is producing larger files from java writer
> ---------------------------------------------------------
>
> Key: ORC-985
> URL: https://issues.apache.org/jira/browse/ORC-985
> Project: ORC
> Issue Type: Bug
> Components: Java
> Affects Versions: 1.7.0
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Blocker
>
> Running some tests, I noticed a 5% regression in file sizes with branch 1.7
> compared to 1.6. I need to track this down.
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