mridulm commented on code in PR #39459:
URL: https://github.com/apache/spark/pull/39459#discussion_r1111132438
##########
core/src/main/scala/org/apache/spark/internal/config/package.scala:
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@@ -2468,4 +2468,15 @@ package object config {
.version("3.4.0")
.booleanConf
.createWithDefault(false)
+
+ private[spark] val RDD_CACHE_VISIBILITY_TRACKING_ENABLED =
+ ConfigBuilder("spark.rdd.cache.visibilityTracking.enabled")
+ .internal()
+ .doc("Set to be true to enabled RDD cache block's visibility status.
Once it's enabled," +
+ " a RDD cache block can be used only when it's marked as visible. And
a RDD block will be" +
+ " marked as visible only when one of the tasks generating the cache
block finished" +
+ " successfully.")
Review Comment:
Additionally add that this is relevant in context of consistent accumulator
status
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