[GitHub] [spark] attilapiros commented on a change in pull request #26869: [SPARK-30235][CORE] Switching off host local disk reading of shuffle blocks in case of useOldFetchProtocol

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attilapiros commented on a change in pull request #26869: [SPARK-30235][CORE] Switching off host local disk reading of shuffle blocks in case of useOldFetchProtocol
URL: https://github.com/apache/spark/pull/26869#discussion_r358589382
 
 

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 File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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 @@ -1097,9 +1097,9 @@ package object config {
 
   private[spark] val SHUFFLE_HOST_LOCAL_DISK_READING_ENABLED =
     ConfigBuilder("spark.shuffle.readHostLocalDisk.enabled")
-      .doc("If enabled, shuffle blocks requested from those block managers which are running on " +
-        "the same host are read from the disk directly instead of being fetched as remote blocks " +
-        "over the network.")
+      .doc("If enabled (and `spark.shuffle.useOldFetchProtocol` is disabled), shuffle blocks " +
 
 Review comment:
   Transforming the first part to string interpolation has not been forgotten.

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