Github user ilganeli commented on a diff in the pull request:
https://github.com/apache/spark/pull/5574#discussion_r28904199
--- Diff: core/src/main/scala/org/apache/spark/SparkConf.scala ---
@@ -407,7 +474,13 @@ private[spark] object SparkConf extends Logging {
"The spark.cache.class property is no longer being used! Specify
storage levels using " +
"the RDD.persist() method instead."),
DeprecatedConfig("spark.yarn.user.classpath.first", "1.3",
- "Please use spark.{driver,executor}.userClassPathFirst instead."))
+ "Please use spark.{driver,executor}.userClassPathFirst instead."),
+ DeprecatedConfig("spark.kryoserializer.buffer.mb", "1.4",
--- End diff --
Automatic translation would fail with a NumberFormatException though if
they try to pass in a correctly formatted new value for the old config (e.g.
64k) and there's nowhere to catch that exception in this code.
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