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Posted to issues@spark.apache.org by "Dongjoon Hyun (JIRA)" <ji...@apache.org> on 2018/10/05 23:07:00 UTC

[jira] [Created] (SPARK-25656) Add a example section about how to use Parquet/ORC library options

Dongjoon Hyun created SPARK-25656:
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             Summary: Add a example section about how to use Parquet/ORC library options
                 Key: SPARK-25656
                 URL: https://issues.apache.org/jira/browse/SPARK-25656
             Project: Spark
          Issue Type: Documentation
          Components: Documentation, SQL
    Affects Versions: 3.0.0
            Reporter: Dongjoon Hyun


Our current doc does not explain we are passing the data source specific options to the underlying data source:

- https://spark.apache.org/docs/latest/sql-programming-guide.html#manually-specifying-options

We can add some introduction section for both Parquet/ORC examples there. We had better give both read/write side configuration examples, too. One example candidate is `dictionary encoding`: `parquet.enable.dictionary` and `orc.dictionary.key.threshold` et al.



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