From c1e5545c648fbd9d62c562014447eea205849094 Mon Sep 17 00:00:00 2001
From: timothy65535 <timothy65535@163.com>
Date: Tue, 7 Sep 2021 09:46:53 +0800
Subject: [PATCH] [KYUUBI #1043] Let spark history logger handle events
 asynchronously

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### _Why are the changes needed?_
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  1. If you add a feature, you can talk about the use case of it.
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> there seems to be no good way to solve the synchronization problem.
For `EventLoggerType.SPARK`

This looks simple, Please send a separate PR to solve this issue

```git
-    sc.eventLogger.foreach(_.onOtherEvent(kyuubiEvent))
+    sc.listenerBus.post(kyuubiEvent)
```

_Originally posted by yaooqinn in https://github.com/apache/incubator-kyuubi/issues/1023#issuecomment-913558016_

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1044 from timothy65535/1043.

Closes #1043

0ea1d4f7 [timothy65535] [KYUUBI #1043] Let spark history logger handle events asynchronously

Authored-by: timothy65535 <timothy65535@163.com>
Signed-off-by: ulysses-you <ulyssesyou18@gmail.com>
---
 .../main/scala/org/apache/spark/kyuubi/SparkContextHelper.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/spark/kyuubi/SparkContextHelper.scala b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/spark/kyuubi/SparkContextHelper.scala
index dd10718a8..667bd984a 100644
--- a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/spark/kyuubi/SparkContextHelper.scala
+++ b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/spark/kyuubi/SparkContextHelper.scala
@@ -38,6 +38,6 @@ object SparkContextHelper {
  */
 private class SparkHistoryEventLogger(sc: SparkContext) extends EventLogger[KyuubiSparkEvent] {
   override def logEvent(kyuubiEvent: KyuubiSparkEvent): Unit = {
-    sc.eventLogger.foreach(_.onOtherEvent(kyuubiEvent))
+    sc.listenerBus.post(kyuubiEvent)
   }
 }