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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/01/12 21:19:00 UTC
[jira] [Assigned] (SPARK-30409) Use `NoOp` datasource in SQL
benchmarks
[ https://issues.apache.org/jira/browse/SPARK-30409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun reassigned SPARK-30409:
-------------------------------------
Assignee: Maxim Gekk
> 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
> Assignee: Maxim Gekk
> Priority: Major
>
> 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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