Github user jaceklaskowski commented on a diff in the pull request:
https://github.com/apache/spark/pull/13329#discussion_r64900321
--- Diff:
yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnScheduler.scala ---
@@ -31,9 +31,8 @@ private[spark] class YarnScheduler(sc: SparkContext)
extends TaskSchedulerImpl(s
Logger.getLogger(classOf[RackResolver]).setLevel(Level.WARN)
}
- // By default, rack is unknown
override def getRackForHost(hostPort: String): Option[String] = {
- val host = Utils.parseHostPort(hostPort)._1
+ val (host, _) = Utils.parseHostPort(hostPort)
--- End diff --
It is when you agree that you could easily (?) miss `_1` at the very end. I
do agree and I did miss it few times while reviewing that piece of code.
Opinions may vary and I can happily revert this change if requested (I need
your advice to learn your coding style).
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