[GitHub] [spark] vanzin commented on a change in pull request #23939: [SPARK-27019] [SQL][WEBUI]onJobStart happens after onExecutionEnd shouldn't overwrite kvstore

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vanzin commented on a change in pull request #23939: [SPARK-27019] [SQL][WEBUI]onJobStart happens after onExecutionEnd shouldn't overwrite kvstore
URL: https://github.com/apache/spark/pull/23939#discussion_r262712214
 
 

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 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/ui/SQLAppStatusListener.scala
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 @@ -311,6 +336,8 @@ class SQLAppStatusListener(
     val now = System.nanoTime()
     if (exec.endEvents >= exec.jobs.size + 1) {
       exec.write(kvstore, now)
+      // remove live data corresponding to the exec, once all the events finished.
 
 Review comment:
   Redundant comment.

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