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Posted to issues@spark.apache.org by "Maxim Gekk (Jira)" <ji...@apache.org> on 2020/01/02 13:30:00 UTC

[jira] [Created] (SPARK-30409) Use `NoOp` datasource in SQL benchmarks

Maxim Gekk created SPARK-30409:
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             Summary: Use `NoOp` datasource in SQL benchmarks
                 Key: SPARK-30409
                 URL: https://issues.apache.org/jira/browse/SPARK-30409
             Project: Spark
          Issue Type: Test
          Components: SQL
    Affects Versions: 2.4.4
            Reporter: Maxim Gekk


Currently, SQL benchmarks use `count()`, `collect()` and `foreach(_ => ())` actions. The actions have additional overhead. For example, `collect()` converts column values to external type values and pull data on the driver. Need to unify benchmark and the `NoOp` datasource except the benchmarks for `count()` or `collect()`



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