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Posted to jira@arrow.apache.org by "Rok Mihevc (Jira)" <ji...@apache.org> on 2023/01/11 07:09:02 UTC

[jira] [Updated] (ARROW-357) Default Parquet chunk_size of 64k is too small

     [ https://issues.apache.org/jira/browse/ARROW-357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rok Mihevc updated ARROW-357:
-----------------------------
    External issue URL: https://github.com/apache/arrow/issues/15329

> Default Parquet chunk_size of 64k is too small
> ----------------------------------------------
>
>                 Key: ARROW-357
>                 URL: https://issues.apache.org/jira/browse/ARROW-357
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.1.0
>            Reporter: Uwe Korn
>            Assignee: Uwe Korn
>            Priority: Major
>             Fix For: 0.2.0
>
>
> The current default size of RowGroups when writing Parquet files is 64k rows. This produces a lot of RowGroups given large files which are then really ineffective to read.



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