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https://issues.apache.org/jira/browse/PARQUET-687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15484787#comment-15484787
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Deepak Majeti commented on PARQUET-687:
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Patch available here: https://github.com/apache/parquet-cpp/pull/157
> C++: Switch to PLAIN encoding if dictionary grows too large
> -----------------------------------------------------------
>
> Key: PARQUET-687
> URL: https://issues.apache.org/jira/browse/PARQUET-687
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-cpp
> Reporter: Uwe L. Korn
> Assignee: Deepak Majeti
>
> We should add a threshold for the size of the dictionary. Once we go over
> this threshold, the encoding should be switched back to PLAIN.
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