dongjoon-hyun commented on code in PR #43743:
URL: https://github.com/apache/spark/pull/43743#discussion_r1388802379
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core/src/main/scala/org/apache/spark/deploy/master/Master.scala:
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@@ -1041,7 +1042,11 @@ private[deploy] class Master(
ApplicationInfo = {
val now = System.currentTimeMillis()
val date = new Date(now)
- val appId = newApplicationId(date)
+ val appId = if (useAppNameAsAppId) {
+ desc.name.toLowerCase().replaceAll("\\s+", "")
+ } else {
+ newApplicationId(date)
+ }
Review Comment:
This experimental design is for the advanced users who maintains unique
appName.
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