[GitHub] [spark] 10110346 commented on a change in pull request #23695: [SPARK-26780][CORE]Improve shuffle read using ReadAheadInputStream

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10110346 commented on a change in pull request #23695: [SPARK-26780][CORE]Improve shuffle read using ReadAheadInputStream 
URL: https://github.com/apache/spark/pull/23695#discussion_r281002085
 
 

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 File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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 @@ -945,6 +945,12 @@ package object config {
       .booleanConf
       .createWithDefault(false)
 
+  private[spark] val SHUFFLE_READ_AHEAD =
+    ConfigBuilder("spark.shuffle.read.ahead.enabled")
 
 Review comment:
   Yeah, It's better to remove this configuration. 
   Thanks

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