sarutak commented on a change in pull request #29082:
URL: https://github.com/apache/spark/pull/29082#discussion_r470298801
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File path: core/src/main/scala/org/apache/spark/status/AppStatusStore.scala
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@@ -421,6 +420,51 @@ private[spark] class AppStatusStore(
constructTaskDataList(taskDataWrapperIter)
}
+ def exceptionSummary(stageId: Int, attemptId: Int): Seq[v1.ExceptionSummary]
= {
+ val (stageData, _) = stageAttempt(stageId, attemptId)
+ val key = Array(stageId, attemptId, stageData.numFailedTasks)
+ asOption(store.read(classOf[CachedExceptionSummary], key))
+ .map(_.exceptionSummary)
+ .getOrElse {
+ val exceptionSummary = computeExceptionSummary(stageId, attemptId)
+ val cachedExceptionSummary = new CachedExceptionSummary(
+ stageId,
+ attemptId,
+ stageData.numFailedTasks,
+ exceptionSummary
+ )
+ store.write(cachedExceptionSummary)
Review comment:
`CachedExceptionSummary` seems to never be deleted. This would be a
potential cause of memory leak?
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