Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/4142#discussion_r28251368
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
@@ -303,6 +326,59 @@ private[spark] class Client(
}
/**
+ * Create an archive with the Hadoop config files for distribution.
+ *
+ * These are only really used by the AM, since executors will use the
configuration object
+ * broadcast by the driver. But this is the easiest way to make sure the
files are available for
--- End diff --
So is this comment true, is it only really needed by the AM or do we need
it on the executors for things like hive-site.xml? If its true then we should
change our call to ClientDistributedCacheManager.addResource to pass in the
flag to make it appMasterOnly.
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