cloud-fan commented on a change in pull request #24892: [SPARK-25341][Core]
Support rolling back a shuffle map stage and re-generate the shuffle files
URL: https://github.com/apache/spark/pull/24892#discussion_r296441923
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File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -1005,6 +1005,14 @@ package object config {
.checkValue(v => v > 0, "The value should be a positive integer.")
.createWithDefault(2000)
+ private[spark] val SHUFFLE_USE_OLD_FETCH_PROTOCOL =
+ ConfigBuilder("spark.shuffle.useOldFetchProtocol")
+ .doc("Whether to use the old protocol while doing the shuffle block
fetching. " +
+ "It is only enabled while we need the compatibility in the scenario of
new spark " +
+ "version job fetching blocks from old version external shuffle
service.")
Review comment:
`fetching blocks` -> `fetching shuffle blocks`
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