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Posted to issues@spark.apache.org by "Maxim Gekk (Jira)" <ji...@apache.org> on 2019/09/19 06:08:00 UTC

[jira] [Created] (SPARK-29170) Performance regression in CSV/JSON on partitioned tables

Maxim Gekk created SPARK-29170:
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             Summary: Performance regression in CSV/JSON on partitioned tables
                 Key: SPARK-29170
                 URL: https://issues.apache.org/jira/browse/SPARK-29170
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Maxim Gekk


The updated benchmark results show performance regression in CSV/JSON datasources on partitioned tables, see https://github.com/apache/spark/pull/25828/files#diff-e37c3433287c7371ff9c2404db821095R160 . Need to find out the root cause of this and fix it.



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