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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