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Posted to issues@spark.apache.org by "Maciej Bryński (JIRA)" <ji...@apache.org> on 2017/09/15 15:24:00 UTC

[jira] [Created] (SPARK-22029) Cache of _parse_datatype_json_string function

Maciej Bryński created SPARK-22029:
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             Summary: Cache of _parse_datatype_json_string function
                 Key: SPARK-22029
                 URL: https://issues.apache.org/jira/browse/SPARK-22029
             Project: Spark
          Issue Type: Sub-task
          Components: PySpark
    Affects Versions: 2.2.0
            Reporter: Maciej Bryński


_parse_datatype_json_string is called many times with the same arguments.
Cacheing this calls can dramatically speed up pyspark code execution (up to 20%)



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