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-rw-r--r--core/src/main/scala/org/apache/spark/SparkEnv.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/src/main/scala/org/apache/spark/SparkEnv.scala b/core/src/main/scala/org/apache/spark/SparkEnv.scala
index e2f13accdf..7fb2b91377 100644
--- a/core/src/main/scala/org/apache/spark/SparkEnv.scala
+++ b/core/src/main/scala/org/apache/spark/SparkEnv.scala
@@ -274,7 +274,7 @@ object SparkEnv extends Logging {
val shuffleMemoryManager = new ShuffleMemoryManager(conf)
val blockTransferService =
- conf.get("spark.shuffle.blockTransferService", "netty").toLowerCase match {
+ conf.get("spark.shuffle.blockTransferService", "nio").toLowerCase match {
case "netty" =>
new NettyBlockTransferService(conf)
case "nio" =>