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Posted to commits@hudi.apache.org by "Alexey Kudinkin (Jira)" <ji...@apache.org> on 2022/06/24 21:19:00 UTC

[jira] [Assigned] (HUDI-4319) Dictionary encoding not applied by Parquet when bulk-inserting

     [ https://issues.apache.org/jira/browse/HUDI-4319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Kudinkin reassigned HUDI-4319:
-------------------------------------

    Assignee: Alexey Kudinkin

> Dictionary encoding not applied by Parquet when bulk-inserting
> --------------------------------------------------------------
>
>                 Key: HUDI-4319
>                 URL: https://issues.apache.org/jira/browse/HUDI-4319
>             Project: Apache Hudi
>          Issue Type: Bug
>            Reporter: Alexey Kudinkin
>            Assignee: Alexey Kudinkin
>            Priority: Blocker
>             Fix For: 0.12.0
>
>
> In our tests we've discovered that Hudi doesn't properly propagate "hoodie.parquet.dictionary.enabled" config to Parquet writer when doing bulk-insert.
> This leads to PLAIN_DICTIONARY encoding not applied substantially bloating the footprint on storage in our tests by about 30%:
> !https://t18029943.p.clickup-attachments.com/t18029943/873f6a77-f1cf-49e5-9ba3-682cadf7ef71/Screen%20Shot%202022-06-22%20at%207.06.44%20PM.png!



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