Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/20873#discussion_r176646160
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala ---
@@ -776,6 +776,9 @@ object SparkSubmit extends CommandLineUtils with
Logging {
sparkConf.set("spark.submit.pyFiles", formattedPyFiles)
}
+ // [SPARK-22744] Cannot get the submit hostname of application
+ sparkConf.set("spark.submit.hostname", Utils.localHostName)
--- End diff --
So basically how do you leverage this configuration?
I think maybe you can achieve this out of Spark, like changing the submit
script to dump some information about submission hostname.
It is a little awkward to add a configuration in Spark which only used out
of Spark.
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