viirya commented on code in PR #44914:
URL: https://github.com/apache/spark/pull/44914#discussion_r1468720362
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core/src/main/scala/org/apache/spark/deploy/JsonProtocol.scala:
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@@ -312,9 +312,9 @@ private[deploy] object JsonProtocol {
("waitingDrivers" -> obj.activeDrivers.count(_.state ==
DriverState.SUBMITTED)) ~
("cores" -> cores) ~
("coresused" -> coresUsed) ~
- ("coresutilization" -> 100 * coresUsed / cores) ~
+ ("coresutilization" -> (if (cores == 0) 100 else 100 * coresUsed / cores))
~
Review Comment:
If `cores` is 0, why `utilization` isn't 0?
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