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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