dongjoon-hyun commented on code in PR #41076:
URL: https://github.com/apache/spark/pull/41076#discussion_r1186772791
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core/src/main/scala/org/apache/spark/internal/config/package.scala:
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@@ -2516,4 +2516,14 @@ package object config {
.version("3.5.0")
.booleanConf
.createWithDefault(false)
+
+ private[spark] val DECOMMISSION_MAX_RATIO =
+ ConfigBuilder("spark.decommission.maxRatio")
+ .doc("Max ratio of decommissioning executor of running executors.
Decommission too many " +
+ s"executors at the same time with shuffle or rdd migration enabled " +
+ s"could hurt performance of shuffle fetch " +
+ s"as shuffle or rdd migration compete network and disk IO with shuffle
fetch")
+ .version("3.5.0")
+ .doubleConf
Review Comment:
We should do value validation with `.check`.
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