Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/4799#discussion_r25643128
--- Diff: core/src/main/scala/org/apache/spark/SparkConf.scala ---
@@ -343,6 +343,13 @@ class SparkConf(loadDefaults: Boolean) extends
Cloneable with Logging {
}
}
}
+
+ // Warn against the use of deprecated configs
+ deprecatedConfigs.values.foreach { dc =>
--- End diff --
Since you're doing this only once during the app's lifetime (this method is
only called from SparkContext AFAICT), you could simplify the code that tracks
whether warns have been printed in `DeprecatedConfig`. But ok to not do it if
you want to limit the scope of the change.
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