dongjoon-hyun commented on a change in pull request #35162:
URL: https://github.com/apache/spark/pull/35162#discussion_r782491809
##########
File path: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
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@@ -856,6 +856,9 @@ private[spark] class SparkSubmit extends Logging {
if (args.verbose && isSqlShell(childMainClass)) {
childArgs ++= Seq("--verbose")
}
+
+ sparkConf.set("spark.app.submitTime", System.currentTimeMillis().toString)
Review comment:
`spark.app.startTime` is also setting like this, but `startTime` is
propagated to more classes differently because it's used in non-UI usage.
- The same usage.
```
_conf.set("spark.app.startTime", startTime.toString)
```
```
core/src/main/scala/org/apache/spark/executor/Executor.scala:
private val appStartTime = conf.getLong("spark.app.startTime", 0)
```
- The following is another usage pattern of `startTime`.
```
Some(SparkUI.create(Some(this), _statusStore, _conf, _env.securityManager,
appName, "", startTime))
```
```
listenerBus.post(SparkListenerApplicationStart(appName, Some(applicationId),
startTime, sparkUser, applicationAttemptId,
schedulerBackend.getDriverLogUrls,
schedulerBackend.getDriverAttributes))
```
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