Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/3082#discussion_r19780190
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -92,7 +93,19 @@ private[spark] class BlockManager(
private[spark]
val externalShuffleServiceEnabled =
conf.getBoolean("spark.shuffle.service.enabled", false)
- private val externalShuffleServicePort =
conf.getInt("spark.shuffle.service.port", 7337)
+
+ // In Yarn, the shuffle service port maybe set through the Hadoop config
+ private val shuffleServicePortKey = "spark.shuffle.service.port"
+ private val externalShuffleServicePort = {
+ val sparkPort = conf.getInt(shuffleServicePortKey, 7337)
+ if (SparkHadoopUtil.get.isYarnMode) {
+ val hadoopConf = SparkHadoopUtil.get.newConfiguration(conf)
+
Option(hadoopConf.get(shuffleServicePortKey)).map(_.toInt).getOrElse(sparkPort)
--- End diff --
oh cool I didn't realize Hadoop conf also has that
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