Michel Lemay created SPARK-20724:
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             Summary: spark-submit verbose mode should list default settings 
values
                 Key: SPARK-20724
                 URL: https://issues.apache.org/jira/browse/SPARK-20724
             Project: Spark
          Issue Type: Improvement
          Components: Spark Submit, SQL
    Affects Versions: 2.1.0
            Reporter: Michel Lemay
            Priority: Minor


When debugging an application, we must at times be able to see the default 
values for some configuration but there is to my knowledge no means to do so.. 
spark-summit --verbose do not show default values, only modified ones. I don't 
want to go to github for specific tag/version of the code to guess what a 
default value might be. We need to be able to see what every bit of settings 
including default values.

See related jira about SQLConf.



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