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Posted to issues@impala.apache.org by "Lars Volker (JIRA)" <ji...@apache.org> on 2017/10/23 17:37:01 UTC

[jira] [Closed] (IMPALA-5185) Parquet scanner should skip pages based on parquet page statistics

     [ https://issues.apache.org/jira/browse/IMPALA-5185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Volker closed IMPALA-5185.
-------------------------------
    Resolution: Won't Fix

> Parquet scanner should skip pages based on parquet page statistics
> ------------------------------------------------------------------
>
>                 Key: IMPALA-5185
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5185
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.9.0
>            Reporter: Lars Volker
>            Assignee: Lars Volker
>              Labels: parquet, performance
>
> IMPALA-2328 added support to skip row groups based on row group statistics. We also need to support skipping pages based on page statistics. As a prerequisite the parquet scanners need to be adapted to support synchronous row skipping.



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