Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/4216#discussion_r23719735
--- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
---
@@ -121,6 +122,17 @@ private[spark] class Master(
throw new SparkException("spark.deploy.defaultCores must be positive")
}
+ // Alternative application submission gateway that is stable across
Spark versions
+ private val restServerEnabled =
conf.getBoolean("spark.master.rest.enabled", true)
+ private val restServer =
+ if (restServerEnabled) {
+ val port = conf.getInt("spark.master.rest.port", 17077)
--- End diff --
We can use the "find free port" code to increment it if there's a
collision, so I'd rather just pick a number that's easy to remember by default.
Especially if this might eventually become the main protocol for app submission.
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