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Posted to dev@parquet.apache.org by "Gabor Szadovszky (JIRA)" <ji...@apache.org> on 2018/10/11 08:33:00 UTC

[jira] [Updated] (PARQUET-1365) Don't write page level statistics for v1

     [ https://issues.apache.org/jira/browse/PARQUET-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabor Szadovszky updated PARQUET-1365:
--------------------------------------
    Fix Version/s: 1.11.0

> Don't write page level statistics for v1
> ----------------------------------------
>
>                 Key: PARQUET-1365
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1365
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-mr
>            Reporter: Gabor Szadovszky
>            Assignee: Gabor Szadovszky
>            Priority: Major
>             Fix For: 1.11.0
>
>
> Page level statistics are never used in production and after adding column indexes they are completely useless. In page_v2 we are not able to remove the unnecessary statistics as they are required fields in the page header but in page_v1 it is optional. Let's get rid of the unnecessary and optional fields in the page headers.



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