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https://issues.apache.org/jira/browse/IMPALA-5843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722920#comment-16722920
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Zoltán Borók-Nagy commented on IMPALA-5843:
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[~arodoni_cloudera] I think we should just mention it in the docs because some
users might want to know whether we use this Parquet feature or not.
I don't think we need to write about it a lot, since this feature should be
transparent for the users. It's like when a traditional RDBMS uses an index
structure to make queries more efficient.
> Use page index in Parquet files to skip pages
> ---------------------------------------------
>
> Key: IMPALA-5843
> URL: https://issues.apache.org/jira/browse/IMPALA-5843
> Project: IMPALA
> Issue Type: New Feature
> Components: Backend
> Affects Versions: Impala 2.10.0
> Reporter: Lars Volker
> Assignee: Zoltán Borók-Nagy
> Priority: Critical
> Labels: parquet, performance
>
> Once IMPALA-5842 has been resolved, we should skip pages based on the page
> index in Parquet files.
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