[SPARK-12926][SQL] SQLContext to display warning message when non-sql configs are being set #10849
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Contributor
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Thanks for working this! I'm worried that throwing an exception could break existing applications (i.e. I know for a fact that spark-sql-perf uses the conf for its own options). What about changing this to a warning? |
Testing:
```
scala> sqlContext.sql("SET spark.shuffle.memoryFraction=0.4")
16/01/21 08:26:47 WARN SQLConf: Attempt to set non-Spark SQL config in SQLConf: key = spark.shuffle.memoryFraction, value = 0.4
res2: org.apache.spark.sql.DataFrame = [key: string, value: string]
scala> sqlContext.getConf("spark.shuffle.memoryFraction")
res3: String = 0.4
```
Contributor
Author
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@marmbrus : Makes sense. I have updated the diff with your suggestion. |
Contributor
Author
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ping !! |
Contributor
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ok to test |
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Test build #50008 has finished for PR 10849 at commit
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Contributor
Author
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Fixed scala style test |
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Test build #50082 has finished for PR 10849 at commit
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Contributor
Author
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ping !! |
Contributor
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Please update the title and description (these become the commit message when merging). |
tejasapatil
changed the title
Contributor
Author
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@marmbrus : Updated the title and description. |
Contributor
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Thanks, merging to master. |
Contributor
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Thanks, merged to master. |
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Users unknowingly try to set core Spark configs in SQLContext but later realise that it didn't work. eg. sqlContext.sql("SET spark.shuffle.memoryFraction=0.4"). This PR adds a warning message when such operations are done.