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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2021/04/13 06:20:00 UTC

[jira] [Created] (SPARK-35045) Add an internal option to control input buffer in univocity

Hyukjin Kwon created SPARK-35045:
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             Summary: Add an internal option to control input buffer in univocity
                 Key: SPARK-35045
                 URL: https://issues.apache.org/jira/browse/SPARK-35045
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.2.0
            Reporter: Hyukjin Kwon


https://github.com/apache/spark/pull/31858 fixed it to respect Univocity's default buffer to:
- Firstly, it's best to trust their judgement on the default values. Also 128 is too low.
- Default values arguably have more test coverage in Univocity.
- It will also fix uniVocity/univocity-parsers#449 which is a regression compared to Spark 2.4

To prevent related side effect, we should have a workaround to change the buffer size.



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