warrenzhu25 commented on a change in pull request #29082:
URL: https://github.com/apache/spark/pull/29082#discussion_r460654448
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File path: core/src/main/scala/org/apache/spark/status/AppStatusStore.scala
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@@ -421,6 +420,26 @@ private[spark] class AppStatusStore(
constructTaskDataList(taskDataWrapperIter)
}
+ def exceptionSummary(stageId: Int, attemptId: Int): Seq[v1.ExceptionSummary]
= {
+ val tasks = taskList(stageId, attemptId, Int.MaxValue)
+ tasks.filter(t => t.status.equalsIgnoreCase("failed"))
+ .flatMap(t => t.errorMessage)
+ .flatMap(parseErrorMessage)
+ .groupBy(e => (e.exceptionType, e.message))
+ .map(t => new v1.ExceptionSummary(t._2.head, t._2.length))
+ .toSeq
+ .sortBy(s => (s.count, s.exceptionFailure.exceptionType))(Ordering[(Int,
String)].reverse)
+ }
+
+ def parseErrorMessage(errorMessage: String): Option[v1.ExceptionFailure] = {
+ errorMessage.split("\\r?\\n")
+ .find(s => !s.startsWith("\t") && s.contains("Exception:"))
Review comment:
This errorMessage is actually errorMessage with stacktrace. So it
includes:
1. First line contains exception type and error message
2. Stacktrace started at `\t` and end with line break.
I'll rewrite this to only include the first line, then split by ":"
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