pan3793 commented on code in PR #47500:
URL: https://github.com/apache/spark/pull/47500#discussion_r1721186702
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common/utils/src/main/scala/org/apache/spark/internal/Logging.scala:
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@@ -391,7 +392,8 @@ trait Logging {
private[spark] object Logging {
@volatile private var initialized = false
@volatile private var defaultRootLevel: Level = null
- @volatile private var defaultSparkLog4jConfig = false
+ @volatile private var shouldUseDefaultSparkLog4jConfig = false
+ @volatile private var defaultSparkLog4jConfigApplied = false
Review Comment:
Sorry for the late reply.
Not exactly. I found
```
Logging.initializeLogging()
Logging.uninitialize()
Logging.initializeLogging() # this **may** not work properly again
```
To fix the semantic, it introduces a flag to memorize the action of the
first call `initializeLogging`
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