Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/22192#discussion_r214485930
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -136,6 +136,15 @@ private[spark] class Executor(
// for fetching remote cached RDD blocks, so need to make sure it uses
the right classloader too.
env.serializerManager.setDefaultClassLoader(replClassLoader)
+ private val pluginList = conf.get(EXECUTOR_PLUGINS)
+ if (pluginList != Nil) logDebug(s"Loading the following plugins:
${pluginList.mkString(", ")}")
--- End diff --
`pluginList.nonEmpty`
Also we generally use the full syntax with braces, unless it's a one line
`if..else`.
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